19979746

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:657

約数の個数: 16

約数和(自身を含む): 30394368

約数和(自身を除く): 10414622

約数列:

[1, 2, 191, 193, 271, 382, 386, 542, 36863, 51761, 52303, 73726, 103522, 104606, 9989873, 19979746]

約数ペア:

[(1, 19979746), (2, 9989873), (191, 104606), (193, 103522), (271, 73726), (382, 52303), (386, 51761), (542, 36863)]