18704120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9949}}^1$

素因数の和:10007

約数の個数: 32

約数和(自身を含む): 42984000

約数和(自身を除く): 24279880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9949, 19898, 39796, 49745, 79592, 99490, 198980, 397960, 467603, 935206, 1870412, 2338015, 3740824, 4676030, 9352060, 18704120]

約数ペア:

[(1, 18704120), (2, 9352060), (4, 4676030), (5, 3740824), (8, 2338015), (10, 1870412), (20, 935206), (40, 467603), (47, 397960), (94, 198980), (188, 99490), (235, 79592), (376, 49745), (470, 39796), (940, 19898), (1880, 9949)]