19399418

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:414

約数の個数: 24

約数和(自身を含む): 31139892

約数和(自身を除く): 11740474

約数列:

[1, 2, 19, 38, 97, 194, 277, 361, 554, 722, 1843, 3686, 5263, 10526, 26869, 35017, 53738, 70034, 99997, 199994, 510511, 1021022, 9699709, 19399418]

約数ペア:

[(1, 19399418), (2, 9699709), (19, 1021022), (38, 510511), (97, 199994), (194, 99997), (277, 70034), (361, 53738), (554, 35017), (722, 26869), (1843, 10526), (3686, 5263)]