19390345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9623}}^1$

素因数の和:9672

約数の個数: 16

約数和(自身を含む): 25869312

約数和(自身を除く): 6478967

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 9623, 48115, 125099, 298313, 625495, 1491565, 3878069, 19390345]

約数ペア:

[(1, 19390345), (5, 3878069), (13, 1491565), (31, 625495), (65, 298313), (155, 125099), (403, 48115), (2015, 9623)]