1866221620

素因数分解:

$2^2\times 5^1\times {\mathrm{93311081}}^1$

素因数の和:93311090

約数の個数: 12

約数和(自身を含む): 3919065444

約数和(自身を除く): 2052843824

約数列:

[1, 2, 4, 5, 10, 20, 93311081, 186622162, 373244324, 466555405, 933110810, 1866221620]

約数ペア:

[(1, 1866221620), (2, 933110810), (4, 466555405), (5, 373244324), (10, 186622162), (20, 93311081)]