19026940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8419}}^1$

素因数の和:8541

約数の個数: 24

約数和(自身を含む): 40314960

約数和(自身を除く): 21288020

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8419, 16838, 33676, 42095, 84190, 168380, 951347, 1902694, 3805388, 4756735, 9513470, 19026940]

約数ペア:

[(1, 19026940), (2, 9513470), (4, 4756735), (5, 3805388), (10, 1902694), (20, 951347), (113, 168380), (226, 84190), (452, 42095), (565, 33676), (1130, 16838), (2260, 8419)]