15540746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 26725440

約数和(自身を除く): 11184694

約数列:

[1, 2, 13, 19, 26, 38, 163, 193, 247, 326, 386, 494, 2119, 2509, 3097, 3667, 4238, 5018, 6194, 7334, 31459, 40261, 47671, 62918, 80522, 95342, 408967, 597721, 817934, 1195442, 7770373, 15540746]

約数ペア:

[(1, 15540746), (2, 7770373), (13, 1195442), (19, 817934), (26, 597721), (38, 408967), (163, 95342), (193, 80522), (247, 62918), (326, 47671), (386, 40261), (494, 31459), (2119, 7334), (2509, 6194), (3097, 5018), (3667, 4238)]