1900643701

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{478631}}^1$

素因数の和:478680

約数の個数: 12

約数和(自身を含む): 2188305504

約数和(自身を除く): 287661803

約数列:

[1, 11, 19, 209, 361, 3971, 478631, 5264941, 9093989, 100033879, 172785791, 1900643701]

約数ペア:

[(1, 1900643701), (11, 172785791), (19, 100033879), (209, 9093989), (361, 5264941), (3971, 478631)]