19282991

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{677}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 23843904

約数和(自身を除く): 4560913

約数列:

[1, 7, 13, 91, 313, 677, 2191, 4069, 4739, 8801, 28483, 61607, 211901, 1483307, 2754713, 19282991]

約数ペア:

[(1, 19282991), (7, 2754713), (13, 1483307), (91, 211901), (313, 61607), (677, 28483), (2191, 8801), (4069, 4739)]