18723995

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{929}}^1$

素因数の和:1102

約数の個数: 16

約数和(自身を含む): 23436000

約数和(自身を除く): 4712005

約数列:

[1, 5, 29, 139, 145, 695, 929, 4031, 4645, 20155, 26941, 129131, 134705, 645655, 3744799, 18723995]

約数ペア:

[(1, 18723995), (5, 3744799), (29, 645655), (139, 134705), (145, 129131), (695, 26941), (929, 20155), (4031, 4645)]