18807061

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{887}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 23272704

約数和(自身を除く): 4465643

約数列:

[1, 7, 13, 91, 233, 887, 1631, 3029, 6209, 11531, 21203, 80717, 206671, 1446697, 2686723, 18807061]

約数ペア:

[(1, 18807061), (7, 2686723), (13, 1446697), (91, 206671), (233, 80717), (887, 21203), (1631, 11531), (3029, 6209)]