18821640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2341}}^1$

素因数の和:2422

約数の個数: 64

約数和(自身を含む): 57332160

約数和(自身を除く): 38510520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2341, 2680, 4020, 4682, 7023, 8040, 9364, 11705, 14046, 18728, 23410, 28092, 35115, 46820, 56184, 70230, 93640, 140460, 156847, 280920, 313694, 470541, 627388, 784235, 941082, 1254776, 1568470, 1882164, 2352705, 3136940, 3764328, 4705410, 6273880, 9410820, 18821640]

約数ペア:

[(1, 18821640), (2, 9410820), (3, 6273880), (4, 4705410), (5, 3764328), (6, 3136940), (8, 2352705), (10, 1882164), (12, 1568470), (15, 1254776), (20, 941082), (24, 784235), (30, 627388), (40, 470541), (60, 313694), (67, 280920), (120, 156847), (134, 140460), (201, 93640), (268, 70230), (335, 56184), (402, 46820), (536, 35115), (670, 28092), (804, 23410), (1005, 18728), (1340, 14046), (1608, 11705), (2010, 9364), (2341, 8040), (2680, 7023), (4020, 4682)]