18949631

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 21066240

約数和(自身を除く): 2116609

約数列:

[1, 19, 23, 103, 421, 437, 1957, 2369, 7999, 9683, 43363, 45011, 183977, 823897, 997349, 18949631]

約数ペア:

[(1, 18949631), (19, 997349), (23, 823897), (103, 183977), (421, 45011), (437, 43363), (1957, 9683), (2369, 7999)]