19006640

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1231}}^1$

素因数の和:1437

約数の個数: 40

約数和(自身を含む): 44455488

約数和(自身を除く): 25448848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1231, 1544, 1930, 2462, 3088, 3860, 4924, 6155, 7720, 9848, 12310, 15440, 19696, 24620, 49240, 98480, 237583, 475166, 950332, 1187915, 1900664, 2375830, 3801328, 4751660, 9503320, 19006640]

約数ペア:

[(1, 19006640), (2, 9503320), (4, 4751660), (5, 3801328), (8, 2375830), (10, 1900664), (16, 1187915), (20, 950332), (40, 475166), (80, 237583), (193, 98480), (386, 49240), (772, 24620), (965, 19696), (1231, 15440), (1544, 12310), (1930, 9848), (2462, 7720), (3088, 6155), (3860, 4924)]