2018245940

素因数分解:

$2^2\times 5^1\times {\mathrm{100912297}}^1$

素因数の和:100912306

約数の個数: 12

約数和(自身を含む): 4238316516

約数和(自身を除く): 2220070576

約数列:

[1, 2, 4, 5, 10, 20, 100912297, 201824594, 403649188, 504561485, 1009122970, 2018245940]

約数ペア:

[(1, 2018245940), (2, 1009122970), (4, 504561485), (5, 403649188), (10, 201824594), (20, 100912297)]