25143422

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1999}}^1$

素因数の和:2351

約数の個数: 16

約数和(自身を含む): 39840000

約数和(自身を除く): 14696578

約数列:

[1, 2, 19, 38, 331, 662, 1999, 3998, 6289, 12578, 37981, 75962, 661669, 1323338, 12571711, 25143422]

約数ペア:

[(1, 25143422), (2, 12571711), (19, 1323338), (38, 661669), (331, 75962), (662, 37981), (1999, 12578), (3998, 6289)]