18624830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2441}}^1$

素因数の和:2564

約数の個数: 32

約数和(自身を含む): 38681280

約数和(自身を除く): 20056450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2441, 3815, 4882, 7630, 12205, 17087, 24410, 34174, 85435, 170870, 266069, 532138, 1330345, 1862483, 2660690, 3724966, 9312415, 18624830]

約数ペア:

[(1, 18624830), (2, 9312415), (5, 3724966), (7, 2660690), (10, 1862483), (14, 1330345), (35, 532138), (70, 266069), (109, 170870), (218, 85435), (545, 34174), (763, 24410), (1090, 17087), (1526, 12205), (2441, 7630), (3815, 4882)]