19988936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227147}}^1$

素因数の和:227164

約数の個数: 16

約数和(自身を含む): 40886640

約数和(自身を除く): 20897704

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227147, 454294, 908588, 1817176, 2498617, 4997234, 9994468, 19988936]

約数ペア:

[(1, 19988936), (2, 9994468), (4, 4997234), (8, 2498617), (11, 1817176), (22, 908588), (44, 454294), (88, 227147)]