18041360

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3697}}^1$

素因数の和:3771

約数の個数: 40

約数和(自身を含む): 42645336

約数和(自身を除く): 24603976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3697, 4880, 7394, 14788, 18485, 29576, 36970, 59152, 73940, 147880, 225517, 295760, 451034, 902068, 1127585, 1804136, 2255170, 3608272, 4510340, 9020680, 18041360]

約数ペア:

[(1, 18041360), (2, 9020680), (4, 4510340), (5, 3608272), (8, 2255170), (10, 1804136), (16, 1127585), (20, 902068), (40, 451034), (61, 295760), (80, 225517), (122, 147880), (244, 73940), (305, 59152), (488, 36970), (610, 29576), (976, 18485), (1220, 14788), (2440, 7394), (3697, 4880)]