19015595

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 25280640

約数和(自身を除く): 6265045

約数列:

[1, 5, 23, 37, 41, 109, 115, 185, 205, 545, 851, 943, 1517, 2507, 4033, 4255, 4469, 4715, 7585, 12535, 20165, 22345, 34891, 92759, 102787, 165353, 174455, 463795, 513935, 826765, 3803119, 19015595]

約数ペア:

[(1, 19015595), (5, 3803119), (23, 826765), (37, 513935), (41, 463795), (109, 174455), (115, 165353), (185, 102787), (205, 92759), (545, 34891), (851, 22345), (943, 20165), (1517, 12535), (2507, 7585), (4033, 4715), (4255, 4469)]