19890985824

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{8669}}^1$

素因数の和:8973

約数の個数: 144

約数和(自身を含む): 58623626880

約数和(自身を除く): 38732641056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 257, 279, 288, 372, 496, 514, 558, 744, 771, 992, 1028, 1116, 1488, 1542, 2056, 2232, 2313, 2976, 3084, 4112, 4464, 4626, 6168, 7967, 8224, 8669, 8928, 9252, 12336, 15934, 17338, 18504, 23901, 24672, 26007, 31868, 34676, 37008, 47802, 52014, 63736, 69352, 71703, 74016, 78021, 95604, 104028, 127472, 138704, 143406, 156042, 191208, 208056, 254944, 268739, 277408, 286812, 312084, 382416, 416112, 537478, 573624, 624168, 764832, 806217, 832224, 1074956, 1147248, 1248336, 1612434, 2149912, 2227933, 2294496, 2418651, 2496672, 3224868, 4299824, 4455866, 4837302, 6449736, 6683799, 8599648, 8911732, 9674604, 12899472, 13367598, 17823464, 19349208, 20051397, 25798944, 26735196, 35646928, 38698416, 40102794, 53470392, 69065923, 71293856, 77396832, 80205588, 106940784, 138131846, 160411176, 207197769, 213881568, 276263692, 320822352, 414395538, 552527384, 621593307, 641644704, 828791076, 1105054768, 1243186614, 1657582152, 2210109536, 2486373228, 3315164304, 4972746456, 6630328608, 9945492912, 19890985824]

約数ペア:

[(1, 19890985824), (2, 9945492912), (3, 6630328608), (4, 4972746456), (6, 3315164304), (8, 2486373228), (9, 2210109536), (12, 1657582152), (16, 1243186614), (18, 1105054768), (24, 828791076), (31, 641644704), (32, 621593307), (36, 552527384), (48, 414395538), (62, 320822352), (72, 276263692), (93, 213881568), (96, 207197769), (124, 160411176), (144, 138131846), (186, 106940784), (248, 80205588), (257, 77396832), (279, 71293856), (288, 69065923), (372, 53470392), (496, 40102794), (514, 38698416), (558, 35646928), (744, 26735196), (771, 25798944), (992, 20051397), (1028, 19349208), (1116, 17823464), (1488, 13367598), (1542, 12899472), (2056, 9674604), (2232, 8911732), (2313, 8599648), (2976, 6683799), (3084, 6449736), (4112, 4837302), (4464, 4455866), (4626, 4299824), (6168, 3224868), (7967, 2496672), (8224, 2418651), (8669, 2294496), (8928, 2227933), (9252, 2149912), (12336, 1612434), (15934, 1248336), (17338, 1147248), (18504, 1074956), (23901, 832224), (24672, 806217), (26007, 764832), (31868, 624168), (34676, 573624), (37008, 537478), (47802, 416112), (52014, 382416), (63736, 312084), (69352, 286812), (71703, 277408), (74016, 268739), (78021, 254944), (95604, 208056), (104028, 191208), (127472, 156042), (138704, 143406)]