19973886

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{42139}}^1$

素因数の和:42223

約数の個数: 16

約数和(自身を含む): 40454400

約数和(自身を除く): 20480514

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 42139, 84278, 126417, 252834, 3328981, 6657962, 9986943, 19973886]

約数ペア:

[(1, 19973886), (2, 9986943), (3, 6657962), (6, 3328981), (79, 252834), (158, 126417), (237, 84278), (474, 42139)]