18882565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9371}}^1$

素因数の和:9420

約数の個数: 16

約数和(自身を含む): 25191936

約数和(自身を除く): 6309371

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 9371, 46855, 121823, 290501, 609115, 1452505, 3776513, 18882565]

約数ペア:

[(1, 18882565), (5, 3776513), (13, 1452505), (31, 609115), (65, 290501), (155, 121823), (403, 46855), (2015, 9371)]