18679570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1579}}^1$

素因数の和:1619

約数の個数: 48

約数和(自身を含む): 41636160

約数和(自身を除く): 22956590

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1579, 1690, 2366, 3158, 5915, 7895, 11053, 11830, 15790, 20527, 22106, 41054, 55265, 102635, 110530, 143689, 205270, 266851, 287378, 533702, 718445, 1334255, 1436890, 1867957, 2668510, 3735914, 9339785, 18679570]

約数ペア:

[(1, 18679570), (2, 9339785), (5, 3735914), (7, 2668510), (10, 1867957), (13, 1436890), (14, 1334255), (26, 718445), (35, 533702), (65, 287378), (70, 266851), (91, 205270), (130, 143689), (169, 110530), (182, 102635), (338, 55265), (455, 41054), (845, 22106), (910, 20527), (1183, 15790), (1579, 11830), (1690, 11053), (2366, 7895), (3158, 5915)]