18408489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{919}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 26849280

約数和(自身を除く): 8440791

約数列:

[1, 3, 11, 33, 607, 919, 1821, 2757, 6677, 10109, 20031, 30327, 557833, 1673499, 6136163, 18408489]

約数ペア:

[(1, 18408489), (3, 6136163), (11, 1673499), (33, 557833), (607, 30327), (919, 20031), (1821, 10109), (2757, 6677)]