19609900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10321}}^1$

素因数の和:10354

約数の個数: 36

約数和(自身を含む): 44797480

約数和(自身を除く): 25187580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10321, 20642, 41284, 51605, 103210, 196099, 206420, 258025, 392198, 516050, 784396, 980495, 1032100, 1960990, 3921980, 4902475, 9804950, 19609900]

約数ペア:

[(1, 19609900), (2, 9804950), (4, 4902475), (5, 3921980), (10, 1960990), (19, 1032100), (20, 980495), (25, 784396), (38, 516050), (50, 392198), (76, 258025), (95, 206420), (100, 196099), (190, 103210), (380, 51605), (475, 41284), (950, 20642), (1900, 10321)]