18109399

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{937}}^1$

素因数の和:1206

約数の個数: 16

約数和(自身を含む): 22692096

約数和(自身を除く): 4582697

約数列:

[1, 7, 11, 77, 251, 937, 1757, 2761, 6559, 10307, 19327, 72149, 235187, 1646309, 2587057, 18109399]

約数ペア:

[(1, 18109399), (7, 2587057), (11, 1646309), (77, 235187), (251, 72149), (937, 19327), (1757, 10307), (2761, 6559)]