18109609

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 21168000

約数和(自身を除く): 3058391

約数列:

[1, 7, 97, 149, 179, 679, 1043, 1253, 14453, 17363, 26671, 101171, 121541, 186697, 2587087, 18109609]

約数ペア:

[(1, 18109609), (7, 2587087), (97, 186697), (149, 121541), (179, 101171), (679, 26671), (1043, 17363), (1253, 14453)]