31181922

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{2711}}^1$

素因数の和:2796

約数の個数: 40

約数和(自身を含む): 70880832

約数和(自身を除く): 39698910

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 2711, 3834, 5422, 5751, 8133, 11502, 16266, 24399, 48798, 73197, 146394, 192481, 219591, 384962, 439182, 577443, 1154886, 1732329, 3464658, 5196987, 10393974, 15590961, 31181922]

約数ペア:

[(1, 31181922), (2, 15590961), (3, 10393974), (6, 5196987), (9, 3464658), (18, 1732329), (27, 1154886), (54, 577443), (71, 439182), (81, 384962), (142, 219591), (162, 192481), (213, 146394), (426, 73197), (639, 48798), (1278, 24399), (1917, 16266), (2711, 11502), (3834, 8133), (5422, 5751)]