18681236

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9397}}^1$

素因数の和:9479

約数の個数: 24

約数和(自身を含む): 37892736

約数和(自身を除く): 19211500

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 9397, 18794, 37588, 65779, 131558, 263116, 667187, 1334374, 2668748, 4670309, 9340618, 18681236]

約数ペア:

[(1, 18681236), (2, 9340618), (4, 4670309), (7, 2668748), (14, 1334374), (28, 667187), (71, 263116), (142, 131558), (284, 65779), (497, 37588), (994, 18794), (1988, 9397)]