1921915678725

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{110923}}^1$

素因数の和:111161

約数の個数: 192

約数和(自身を含む): 4269420390400

約数和(自身を除く): 2347504711675

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 75, 95, 105, 133, 135, 171, 175, 189, 193, 225, 285, 315, 399, 475, 513, 525, 579, 665, 675, 855, 945, 965, 1197, 1351, 1425, 1575, 1737, 1995, 2565, 2895, 3325, 3591, 3667, 4053, 4275, 4725, 4825, 5211, 5985, 6755, 8685, 9975, 11001, 12159, 12825, 14475, 17955, 18335, 20265, 25669, 26055, 29925, 33003, 33775, 36477, 43425, 55005, 60795, 77007, 89775, 91675, 99009, 101325, 110923, 128345, 130275, 165015, 182385, 231021, 275025, 303975, 332769, 385035, 495045, 554615, 641725, 693063, 776461, 825075, 911925, 998307, 1155105, 1663845, 1925175, 2107537, 2329383, 2475225, 2773075, 2994921, 3465315, 3882305, 4991535, 5775525, 6322611, 6988149, 8319225, 10537685, 11646915, 14752759, 14974605, 17326575, 18967833, 19411525, 20964447, 21408139, 24957675, 31613055, 34940745, 44258277, 52688425, 56903499, 58234575, 64224417, 73763795, 74873025, 94839165, 104822235, 107040695, 132774831, 149856973, 158065275, 174703725, 192673251, 221291385, 284517495, 321122085, 368818975, 398324493, 406754641, 449570919, 474195825, 524111175, 535203475, 578019753, 663874155, 749284865, 963366255, 1106456925, 1220263923, 1348712757, 1422587475, 1605610425, 1991622465, 2033773205, 2247854595, 2847282487, 2890098765, 3319370775, 3660791769, 3746424325, 4046138271, 4816831275, 6101319615, 6743563785, 8541847461, 9958112325, 10168866025, 10982375307, 11239272975, 14236412435, 14450493825, 18303958845, 20230691355, 25625542383, 30506598075, 33717818925, 42709237305, 54911876535, 71182062175, 76876627149, 91519794225, 101153456775, 128127711915, 213546186525, 274559382675, 384383135745, 640638559575, 1921915678725]

約数ペア:

[(1, 1921915678725), (3, 640638559575), (5, 384383135745), (7, 274559382675), (9, 213546186525), (15, 128127711915), (19, 101153456775), (21, 91519794225), (25, 76876627149), (27, 71182062175), (35, 54911876535), (45, 42709237305), (57, 33717818925), (63, 30506598075), (75, 25625542383), (95, 20230691355), (105, 18303958845), (133, 14450493825), (135, 14236412435), (171, 11239272975), (175, 10982375307), (189, 10168866025), (193, 9958112325), (225, 8541847461), (285, 6743563785), (315, 6101319615), (399, 4816831275), (475, 4046138271), (513, 3746424325), (525, 3660791769), (579, 3319370775), (665, 2890098765), (675, 2847282487), (855, 2247854595), (945, 2033773205), (965, 1991622465), (1197, 1605610425), (1351, 1422587475), (1425, 1348712757), (1575, 1220263923), (1737, 1106456925), (1995, 963366255), (2565, 749284865), (2895, 663874155), (3325, 578019753), (3591, 535203475), (3667, 524111175), (4053, 474195825), (4275, 449570919), (4725, 406754641), (4825, 398324493), (5211, 368818975), (5985, 321122085), (6755, 284517495), (8685, 221291385), (9975, 192673251), (11001, 174703725), (12159, 158065275), (12825, 149856973), (14475, 132774831), (17955, 107040695), (18335, 104822235), (20265, 94839165), (25669, 74873025), (26055, 73763795), (29925, 64224417), (33003, 58234575), (33775, 56903499), (36477, 52688425), (43425, 44258277), (55005, 34940745), (60795, 31613055), (77007, 24957675), (89775, 21408139), (91675, 20964447), (99009, 19411525), (101325, 18967833), (110923, 17326575), (128345, 14974605), (130275, 14752759), (165015, 11646915), (182385, 10537685), (231021, 8319225), (275025, 6988149), (303975, 6322611), (332769, 5775525), (385035, 4991535), (495045, 3882305), (554615, 3465315), (641725, 2994921), (693063, 2773075), (776461, 2475225), (825075, 2329383), (911925, 2107537), (998307, 1925175), (1155105, 1663845)]