19729315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2141}}^1$

素因数の和:2262

約数の個数: 16

約数和(自身を含む): 25189920

約数和(自身を除く): 5460605

約数列:

[1, 5, 19, 95, 97, 485, 1843, 2141, 9215, 10705, 40679, 203395, 207677, 1038385, 3945863, 19729315]

約数ペア:

[(1, 19729315), (5, 3945863), (19, 1038385), (95, 207677), (97, 203395), (485, 40679), (1843, 10705), (2141, 9215)]