18202288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87511}}^1$

素因数の和:87532

約数の個数: 20

約数和(自身を含む): 37980208

約数和(自身を除く): 19777920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87511, 175022, 350044, 700088, 1137643, 1400176, 2275286, 4550572, 9101144, 18202288]

約数ペア:

[(1, 18202288), (2, 9101144), (4, 4550572), (8, 2275286), (13, 1400176), (16, 1137643), (26, 700088), (52, 350044), (104, 175022), (208, 87511)]