2018965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 2646000

約数和(自身を除く): 627035

約数列:

[1, 5, 13, 65, 89, 349, 445, 1157, 1745, 4537, 5785, 22685, 31061, 155305, 403793, 2018965]

約数ペア:

[(1, 2018965), (5, 403793), (13, 155305), (65, 31061), (89, 22685), (349, 5785), (445, 4537), (1157, 1745)]