19396260

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 65921856

約数和(自身を除く): 46525596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 307, 324, 351, 390, 405, 468, 486, 540, 585, 614, 702, 780, 810, 921, 972, 1053, 1170, 1215, 1228, 1404, 1535, 1620, 1755, 1842, 2106, 2340, 2430, 2763, 3070, 3159, 3510, 3684, 3991, 4212, 4605, 4860, 5265, 5526, 6140, 6318, 7020, 7982, 8289, 9210, 10530, 11052, 11973, 12636, 13815, 15795, 15964, 16578, 18420, 19955, 21060, 23946, 24867, 27630, 31590, 33156, 35919, 39910, 41445, 47892, 49734, 55260, 59865, 63180, 71838, 74601, 79820, 82890, 99468, 107757, 119730, 124335, 143676, 149202, 165780, 179595, 215514, 239460, 248670, 298404, 323271, 359190, 373005, 431028, 497340, 538785, 646542, 718380, 746010, 969813, 1077570, 1293084, 1492020, 1616355, 1939626, 2155140, 3232710, 3879252, 4849065, 6465420, 9698130, 19396260]

約数ペア:

[(1, 19396260), (2, 9698130), (3, 6465420), (4, 4849065), (5, 3879252), (6, 3232710), (9, 2155140), (10, 1939626), (12, 1616355), (13, 1492020), (15, 1293084), (18, 1077570), (20, 969813), (26, 746010), (27, 718380), (30, 646542), (36, 538785), (39, 497340), (45, 431028), (52, 373005), (54, 359190), (60, 323271), (65, 298404), (78, 248670), (81, 239460), (90, 215514), (108, 179595), (117, 165780), (130, 149202), (135, 143676), (156, 124335), (162, 119730), (180, 107757), (195, 99468), (234, 82890), (243, 79820), (260, 74601), (270, 71838), (307, 63180), (324, 59865), (351, 55260), (390, 49734), (405, 47892), (468, 41445), (486, 39910), (540, 35919), (585, 33156), (614, 31590), (702, 27630), (780, 24867), (810, 23946), (921, 21060), (972, 19955), (1053, 18420), (1170, 16578), (1215, 15964), (1228, 15795), (1404, 13815), (1535, 12636), (1620, 11973), (1755, 11052), (1842, 10530), (2106, 9210), (2340, 8289), (2430, 7982), (2763, 7020), (3070, 6318), (3159, 6140), (3510, 5526), (3684, 5265), (3991, 4860), (4212, 4605)]