19317620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137983}}^1$

素因数の和:137999

約数の個数: 24

約数和(自身を含む): 46362624

約数和(自身を除く): 27045004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137983, 275966, 551932, 689915, 965881, 1379830, 1931762, 2759660, 3863524, 4829405, 9658810, 19317620]

約数ペア:

[(1, 19317620), (2, 9658810), (4, 4829405), (5, 3863524), (7, 2759660), (10, 1931762), (14, 1379830), (20, 965881), (28, 689915), (35, 551932), (70, 275966), (140, 137983)]