19012820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{25693}}^1$

素因数の和:25739

約数の個数: 24

約数和(自身を含む): 41007624

約数和(自身を除く): 21994804

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 25693, 51386, 102772, 128465, 256930, 513860, 950641, 1901282, 3802564, 4753205, 9506410, 19012820]

約数ペア:

[(1, 19012820), (2, 9506410), (4, 4753205), (5, 3802564), (10, 1901282), (20, 950641), (37, 513860), (74, 256930), (148, 128465), (185, 102772), (370, 51386), (740, 25693)]