18658136

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11489}}^1$

素因数の和:11531

約数の個数: 32

約数和(自身を含む): 41364000

約数和(自身を除く): 22705864

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 11489, 22978, 45956, 80423, 91912, 160846, 321692, 333181, 643384, 666362, 1332724, 2332267, 2665448, 4664534, 9329068, 18658136]

約数ペア:

[(1, 18658136), (2, 9329068), (4, 4664534), (7, 2665448), (8, 2332267), (14, 1332724), (28, 666362), (29, 643384), (56, 333181), (58, 321692), (116, 160846), (203, 91912), (232, 80423), (406, 45956), (812, 22978), (1624, 11489)]