19941998

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{733}}^1$

素因数の和:1019

約数の個数: 16

約数和(自身を含む): 30581376

約数和(自身を除く): 10639378

約数列:

[1, 2, 61, 122, 223, 446, 733, 1466, 13603, 27206, 44713, 89426, 163459, 326918, 9970999, 19941998]

約数ペア:

[(1, 19941998), (2, 9970999), (61, 326918), (122, 163459), (223, 89426), (446, 44713), (733, 27206), (1466, 13603)]