18478556

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{863}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 33312384

約数和(自身を除く): 14833828

約数列:

[1, 2, 4, 53, 101, 106, 202, 212, 404, 863, 1726, 3452, 5353, 10706, 21412, 45739, 87163, 91478, 174326, 182956, 348652, 4619639, 9239278, 18478556]

約数ペア:

[(1, 18478556), (2, 9239278), (4, 4619639), (53, 348652), (101, 182956), (106, 174326), (202, 91478), (212, 87163), (404, 45739), (863, 21412), (1726, 10706), (3452, 5353)]