19934900

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1223}}^1$

素因数の和:1400

約数の個数: 36

約数和(自身を含む): 43559712

約数和(自身を除く): 23624812

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 815, 1223, 1630, 2446, 3260, 4075, 4892, 6115, 8150, 12230, 16300, 24460, 30575, 61150, 122300, 199349, 398698, 797396, 996745, 1993490, 3986980, 4983725, 9967450, 19934900]

約数ペア:

[(1, 19934900), (2, 9967450), (4, 4983725), (5, 3986980), (10, 1993490), (20, 996745), (25, 797396), (50, 398698), (100, 199349), (163, 122300), (326, 61150), (652, 30575), (815, 24460), (1223, 16300), (1630, 12230), (2446, 8150), (3260, 6115), (4075, 4892)]