18945410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5939}}^1$

素因数の和:5986

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 19545790

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 5939, 11878, 29695, 59390, 65329, 130658, 172231, 326645, 344462, 653290, 861155, 1722310, 1894541, 3789082, 9472705, 18945410]

約数ペア:

[(1, 18945410), (2, 9472705), (5, 3789082), (10, 1894541), (11, 1722310), (22, 861155), (29, 653290), (55, 344462), (58, 326645), (110, 172231), (145, 130658), (290, 65329), (319, 59390), (638, 29695), (1595, 11878), (3190, 5939)]