19494620

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1223}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 41023584

約数和(自身を除く): 21528964

約数列:

[1, 2, 4, 5, 10, 20, 797, 1223, 1594, 2446, 3188, 3985, 4892, 6115, 7970, 12230, 15940, 24460, 974731, 1949462, 3898924, 4873655, 9747310, 19494620]

約数ペア:

[(1, 19494620), (2, 9747310), (4, 4873655), (5, 3898924), (10, 1949462), (20, 974731), (797, 24460), (1223, 15940), (1594, 12230), (2446, 7970), (3188, 6115), (3985, 4892)]