18028816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86677}}^1$

素因数の和:86698

約数の個数: 20

約数和(自身を含む): 37618252

約数和(自身を除く): 19589436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86677, 173354, 346708, 693416, 1126801, 1386832, 2253602, 4507204, 9014408, 18028816]

約数ペア:

[(1, 18028816), (2, 9014408), (4, 4507204), (8, 2253602), (13, 1386832), (16, 1126801), (26, 693416), (52, 346708), (104, 173354), (208, 86677)]