19913998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{33301}}^1$

素因数の和:33339

約数の個数: 16

約数和(自身を含む): 33568416

約数和(自身を除く): 13654418

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 33301, 66602, 432913, 765923, 865826, 1531846, 9956999, 19913998]

約数ペア:

[(1, 19913998), (2, 9956999), (13, 1531846), (23, 865826), (26, 765923), (46, 432913), (299, 66602), (598, 33301)]