19220858

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:829

約数の個数: 16

約数和(自身を含む): 29376000

約数和(自身を除く): 10155142

約数列:

[1, 2, 79, 158, 239, 478, 509, 1018, 18881, 37762, 40211, 80422, 121651, 243302, 9610429, 19220858]

約数ペア:

[(1, 19220858), (2, 9610429), (79, 243302), (158, 121651), (239, 80422), (478, 40211), (509, 37762), (1018, 18881)]