18997340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49993}}^1$

素因数の和:50021

約数の個数: 24

約数和(自身を含む): 41994960

約数和(自身を除く): 22997620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49993, 99986, 199972, 249965, 499930, 949867, 999860, 1899734, 3799468, 4749335, 9498670, 18997340]

約数ペア:

[(1, 18997340), (2, 9498670), (4, 4749335), (5, 3799468), (10, 1899734), (19, 999860), (20, 949867), (38, 499930), (76, 249965), (95, 199972), (190, 99986), (380, 49993)]