18680914

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70229}}^1$

素因数の和:70257

約数の個数: 16

約数和(自身を含む): 33710400

約数和(自身を除く): 15029486

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 70229, 140458, 491603, 983206, 1334351, 2668702, 9340457, 18680914]

約数ペア:

[(1, 18680914), (2, 9340457), (7, 2668702), (14, 1334351), (19, 983206), (38, 491603), (133, 140458), (266, 70229)]