18690840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7417}}^1$

素因数の和:7441

約数の個数: 96

約数和(自身を含む): 69432480

約数和(自身を除く): 50741640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7417, 14834, 22251, 29668, 37085, 44502, 51919, 59336, 66753, 74170, 89004, 103838, 111255, 133506, 148340, 155757, 178008, 207676, 222510, 259595, 267012, 296680, 311514, 333765, 415352, 445020, 467271, 519190, 534024, 623028, 667530, 778785, 890040, 934542, 1038380, 1246056, 1335060, 1557570, 1869084, 2076760, 2336355, 2670120, 3115140, 3738168, 4672710, 6230280, 9345420, 18690840]

約数ペア:

[(1, 18690840), (2, 9345420), (3, 6230280), (4, 4672710), (5, 3738168), (6, 3115140), (7, 2670120), (8, 2336355), (9, 2076760), (10, 1869084), (12, 1557570), (14, 1335060), (15, 1246056), (18, 1038380), (20, 934542), (21, 890040), (24, 778785), (28, 667530), (30, 623028), (35, 534024), (36, 519190), (40, 467271), (42, 445020), (45, 415352), (56, 333765), (60, 311514), (63, 296680), (70, 267012), (72, 259595), (84, 222510), (90, 207676), (105, 178008), (120, 155757), (126, 148340), (140, 133506), (168, 111255), (180, 103838), (210, 89004), (252, 74170), (280, 66753), (315, 59336), (360, 51919), (420, 44502), (504, 37085), (630, 29668), (840, 22251), (1260, 14834), (2520, 7417)]