18841790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1663}}^1$

素因数の和:1784

約数の個数: 32

約数和(自身を含む): 37380096

約数和(自身を除く): 18538306

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 515, 1030, 1133, 1663, 2266, 3326, 5665, 8315, 11330, 16630, 18293, 36586, 91465, 171289, 182930, 342578, 856445, 1712890, 1884179, 3768358, 9420895, 18841790]

約数ペア:

[(1, 18841790), (2, 9420895), (5, 3768358), (10, 1884179), (11, 1712890), (22, 856445), (55, 342578), (103, 182930), (110, 171289), (206, 91465), (515, 36586), (1030, 18293), (1133, 16630), (1663, 11330), (2266, 8315), (3326, 5665)]