19564564

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 35422688

約数和(自身を除く): 15858124

約数列:

[1, 2, 4, 37, 74, 148, 163, 326, 652, 811, 1622, 3244, 6031, 12062, 24124, 30007, 60014, 120028, 132193, 264386, 528772, 4891141, 9782282, 19564564]

約数ペア:

[(1, 19564564), (2, 9782282), (4, 4891141), (37, 528772), (74, 264386), (148, 132193), (163, 120028), (326, 60014), (652, 30007), (811, 24124), (1622, 12062), (3244, 6031)]