19748145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{57241}}^1$

素因数の和:57272

約数の個数: 16

約数和(自身を含む): 32971392

約数和(自身を除く): 13223247

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 57241, 171723, 286205, 858615, 1316543, 3949629, 6582715, 19748145]

約数ペア:

[(1, 19748145), (3, 6582715), (5, 3949629), (15, 1316543), (23, 858615), (69, 286205), (115, 171723), (345, 57241)]