19436540

素因数分解:

$2^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{2081}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 40923792

約数和(自身を除く): 21487252

約数列:

[1, 2, 4, 5, 10, 20, 467, 934, 1868, 2081, 2335, 4162, 4670, 8324, 9340, 10405, 20810, 41620, 971827, 1943654, 3887308, 4859135, 9718270, 19436540]

約数ペア:

[(1, 19436540), (2, 9718270), (4, 4859135), (5, 3887308), (10, 1943654), (20, 971827), (467, 41620), (934, 20810), (1868, 10405), (2081, 9340), (2335, 8324), (4162, 4670)]