1998455570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11755621}}^1$

素因数の和:11755645

約数の個数: 16

約数和(自身を含む): 3808821528

約数和(自身を除く): 1810365958

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 11755621, 23511242, 58778105, 117556210, 199845557, 399691114, 999227785, 1998455570]

約数ペア:

[(1, 1998455570), (2, 999227785), (5, 399691114), (10, 199845557), (17, 117556210), (34, 58778105), (85, 23511242), (170, 11755621)]