17981060

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6863}}^1$

素因数の和:7003

約数の個数: 24

約数和(自身を含む): 38054016

約数和(自身を除く): 20072956

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6863, 13726, 27452, 34315, 68630, 137260, 899053, 1798106, 3596212, 4495265, 8990530, 17981060]

約数ペア:

[(1, 17981060), (2, 8990530), (4, 4495265), (5, 3596212), (10, 1798106), (20, 899053), (131, 137260), (262, 68630), (524, 34315), (655, 27452), (1310, 13726), (2620, 6863)]