19539286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17477}}^1$

素因数の和:17535

約数の個数: 16

約数和(自身を含む): 32299344

約数和(自身を除く): 12760058

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17477, 34954, 227201, 454402, 751511, 1503022, 9769643, 19539286]

約数ペア:

[(1, 19539286), (2, 9769643), (13, 1503022), (26, 751511), (43, 454402), (86, 227201), (559, 34954), (1118, 17477)]