1827201980

素因数分解:

$2^2\times 5^1\times {\mathrm{91360099}}^1$

素因数の和:91360108

約数の個数: 12

約数和(自身を含む): 3837124200

約数和(自身を除く): 2009922220

約数列:

[1, 2, 4, 5, 10, 20, 91360099, 182720198, 365440396, 456800495, 913600990, 1827201980]

約数ペア:

[(1, 1827201980), (2, 913600990), (4, 456800495), (5, 365440396), (10, 182720198), (20, 91360099)]