19958946

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2131}}^1$

素因数の和:2366

約数の個数: 32

約数和(自身を含む): 45846528

約数和(自身を除く): 25887582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 223, 446, 669, 1338, 1561, 2131, 3122, 4262, 4683, 6393, 9366, 12786, 14917, 29834, 44751, 89502, 475213, 950426, 1425639, 2851278, 3326491, 6652982, 9979473, 19958946]

約数ペア:

[(1, 19958946), (2, 9979473), (3, 6652982), (6, 3326491), (7, 2851278), (14, 1425639), (21, 950426), (42, 475213), (223, 89502), (446, 44751), (669, 29834), (1338, 14917), (1561, 12786), (2131, 9366), (3122, 6393), (4262, 4683)]