18897372

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 51979200

約数和(自身を除く): 33081828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 271, 298, 447, 468, 542, 596, 813, 894, 1084, 1341, 1626, 1788, 1937, 2439, 2682, 3252, 3523, 3874, 4878, 5364, 5811, 7046, 7748, 9756, 10569, 11622, 14092, 17433, 21138, 23244, 31707, 34866, 40379, 42276, 63414, 69732, 80758, 121137, 126828, 161516, 242274, 363411, 484548, 524927, 726822, 1049854, 1453644, 1574781, 2099708, 3149562, 4724343, 6299124, 9448686, 18897372]

約数ペア:

[(1, 18897372), (2, 9448686), (3, 6299124), (4, 4724343), (6, 3149562), (9, 2099708), (12, 1574781), (13, 1453644), (18, 1049854), (26, 726822), (36, 524927), (39, 484548), (52, 363411), (78, 242274), (117, 161516), (149, 126828), (156, 121137), (234, 80758), (271, 69732), (298, 63414), (447, 42276), (468, 40379), (542, 34866), (596, 31707), (813, 23244), (894, 21138), (1084, 17433), (1341, 14092), (1626, 11622), (1788, 10569), (1937, 9756), (2439, 7748), (2682, 7046), (3252, 5811), (3523, 5364), (3874, 4878)]