17798768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{85571}}^1$

素因数の和:85592

約数の個数: 20

約数和(自身を含む): 37138248

約数和(自身を除く): 19339480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 85571, 171142, 342284, 684568, 1112423, 1369136, 2224846, 4449692, 8899384, 17798768]

約数ペア:

[(1, 17798768), (2, 8899384), (4, 4449692), (8, 2224846), (13, 1369136), (16, 1112423), (26, 684568), (52, 342284), (104, 171142), (208, 85571)]