18998804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8147}}^1$

素因数の和:8215

約数の個数: 24

約数和(自身を含む): 36959328

約数和(自身を除く): 17960524

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8147, 16294, 32588, 89617, 179234, 358468, 431791, 863582, 1727164, 4749701, 9499402, 18998804]

約数ペア:

[(1, 18998804), (2, 9499402), (4, 4749701), (11, 1727164), (22, 863582), (44, 431791), (53, 358468), (106, 179234), (212, 89617), (583, 32588), (1166, 16294), (2332, 8147)]