19990443

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19541}}^1$

素因数の和:19586

約数の個数: 16

約数和(自身を含む): 30016512

約数和(自身を除く): 10026069

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 19541, 58623, 214951, 605771, 644853, 1817313, 6663481, 19990443]

約数ペア:

[(1, 19990443), (3, 6663481), (11, 1817313), (31, 644853), (33, 605771), (93, 214951), (341, 58623), (1023, 19541)]