2018554433

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{257239}}^1$

素因数の和:257324

約数の個数: 16

約数和(自身を含む): 2469504000

約数和(自身を除く): 450949567

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 257239, 1800673, 4887541, 15177101, 34212787, 106239707, 288364919, 2018554433]

約数ペア:

[(1, 2018554433), (7, 288364919), (19, 106239707), (59, 34212787), (133, 15177101), (413, 4887541), (1121, 1800673), (7847, 257239)]