18001564

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13679}}^1$

素因数の和:13737

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 18770276

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 13679, 27358, 54716, 95753, 191506, 383012, 642913, 1285826, 2571652, 4500391, 9000782, 18001564]

約数ペア:

[(1, 18001564), (2, 9000782), (4, 4500391), (7, 2571652), (14, 1285826), (28, 642913), (47, 383012), (94, 191506), (188, 95753), (329, 54716), (658, 27358), (1316, 13679)]