18771870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 30257250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 127, 130, 195, 254, 379, 381, 390, 635, 758, 762, 1137, 1270, 1651, 1895, 1905, 2274, 3302, 3790, 3810, 4927, 4953, 5685, 8255, 9854, 9906, 11370, 14781, 16510, 24635, 24765, 29562, 48133, 49270, 49530, 73905, 96266, 144399, 147810, 240665, 288798, 481330, 625729, 721995, 1251458, 1443990, 1877187, 3128645, 3754374, 6257290, 9385935, 18771870]

約数ペア:

[(1, 18771870), (2, 9385935), (3, 6257290), (5, 3754374), (6, 3128645), (10, 1877187), (13, 1443990), (15, 1251458), (26, 721995), (30, 625729), (39, 481330), (65, 288798), (78, 240665), (127, 147810), (130, 144399), (195, 96266), (254, 73905), (379, 49530), (381, 49270), (390, 48133), (635, 29562), (758, 24765), (762, 24635), (1137, 16510), (1270, 14781), (1651, 11370), (1895, 9906), (1905, 9854), (2274, 8255), (3302, 5685), (3790, 4953), (3810, 4927)]