19107340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136481}}^1$

素因数の和:136497

約数の個数: 24

約数和(自身を含む): 45857952

約数和(自身を除く): 26750612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136481, 272962, 545924, 682405, 955367, 1364810, 1910734, 2729620, 3821468, 4776835, 9553670, 19107340]

約数ペア:

[(1, 19107340), (2, 9553670), (4, 4776835), (5, 3821468), (7, 2729620), (10, 1910734), (14, 1364810), (20, 955367), (28, 682405), (35, 545924), (70, 272962), (140, 136481)]