19471804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40231}}^1$

素因数の和:40257

約数の個数: 18

約数和(自身を含む): 37455992

約数和(自身を除く): 17984188

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40231, 80462, 160924, 442541, 885082, 1770164, 4867951, 9735902, 19471804]

約数ペア:

[(1, 19471804), (2, 9735902), (4, 4867951), (11, 1770164), (22, 885082), (44, 442541), (121, 160924), (242, 80462), (484, 40231)]