18870819

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{30097}}^1$

素因数の和:30130

約数の個数: 16

約数和(自身を含む): 28894080

約数和(自身を除く): 10023261

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 30097, 90291, 331067, 571843, 993201, 1715529, 6290273, 18870819]

約数ペア:

[(1, 18870819), (3, 6290273), (11, 1715529), (19, 993201), (33, 571843), (57, 331067), (209, 90291), (627, 30097)]