18870894790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{35423}}^1$

素因数の和:35637

約数の個数: 64

約数和(自身を含む): 38563983360

約数和(自身を除く): 19693088570

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 167, 290, 319, 334, 638, 835, 1595, 1670, 1837, 3190, 3674, 4843, 9185, 9686, 18370, 24215, 35423, 48430, 53273, 70846, 106546, 177115, 266365, 354230, 389653, 532730, 779306, 1027267, 1948265, 2054534, 3896530, 5136335, 5915641, 10272670, 11299937, 11831282, 22599874, 29578205, 56499685, 59156410, 65072051, 112999370, 130144102, 171553589, 325360255, 343107178, 650720510, 857767945, 1715535890, 1887089479, 3774178958, 9435447395, 18870894790]

約数ペア:

[(1, 18870894790), (2, 9435447395), (5, 3774178958), (10, 1887089479), (11, 1715535890), (22, 857767945), (29, 650720510), (55, 343107178), (58, 325360255), (110, 171553589), (145, 130144102), (167, 112999370), (290, 65072051), (319, 59156410), (334, 56499685), (638, 29578205), (835, 22599874), (1595, 11831282), (1670, 11299937), (1837, 10272670), (3190, 5915641), (3674, 5136335), (4843, 3896530), (9185, 2054534), (9686, 1948265), (18370, 1027267), (24215, 779306), (35423, 532730), (48430, 389653), (53273, 354230), (70846, 266365), (106546, 177115)]