2018203780

素因数分解:

$2^2\times 5^1\times {\mathrm{100910189}}^1$

素因数の和:100910198

約数の個数: 12

約数和(自身を含む): 4238227980

約数和(自身を除く): 2220024200

約数列:

[1, 2, 4, 5, 10, 20, 100910189, 201820378, 403640756, 504550945, 1009101890, 2018203780]

約数ペア:

[(1, 2018203780), (2, 1009101890), (4, 504550945), (5, 403640756), (10, 201820378), (20, 100910189)]