18890570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111121}}^1$

素因数の和:111145

約数の個数: 16

約数和(自身を含む): 36003528

約数和(自身を除く): 17112958

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 111121, 222242, 555605, 1111210, 1889057, 3778114, 9445285, 18890570]

約数ペア:

[(1, 18890570), (2, 9445285), (5, 3778114), (10, 1889057), (17, 1111210), (34, 555605), (85, 222242), (170, 111121)]