18862953

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2221}}^1$

素因数の和:2392

約数の個数: 16

約数和(自身を含む): 26664000

約数和(自身を除く): 7801047

約数列:

[1, 3, 19, 57, 149, 447, 2221, 2831, 6663, 8493, 42199, 126597, 330929, 992787, 6287651, 18862953]

約数ペア:

[(1, 18862953), (3, 6287651), (19, 992787), (57, 330929), (149, 126597), (447, 42199), (2221, 8493), (2831, 6663)]