18340816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88177}}^1$

素因数の和:88198

約数の個数: 20

約数和(自身を含む): 38269252

約数和(自身を除く): 19928436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88177, 176354, 352708, 705416, 1146301, 1410832, 2292602, 4585204, 9170408, 18340816]

約数ペア:

[(1, 18340816), (2, 9170408), (4, 4585204), (8, 2292602), (13, 1410832), (16, 1146301), (26, 705416), (52, 352708), (104, 176354), (208, 88177)]