18680872

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11503}}^1$

素因数の和:11545

約数の個数: 32

約数和(自身を含む): 41414400

約数和(自身を除く): 22733528

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 11503, 23006, 46012, 80521, 92024, 161042, 322084, 333587, 644168, 667174, 1334348, 2335109, 2668696, 4670218, 9340436, 18680872]

約数ペア:

[(1, 18680872), (2, 9340436), (4, 4670218), (7, 2668696), (8, 2335109), (14, 1334348), (28, 667174), (29, 644168), (56, 333587), (58, 322084), (116, 161042), (203, 92024), (232, 80521), (406, 46012), (812, 23006), (1624, 11503)]