9951820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26189}}^1$

素因数の和:26217

約数の個数: 24

約数和(自身を含む): 21999600

約数和(自身を除く): 12047780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 26189, 52378, 104756, 130945, 261890, 497591, 523780, 995182, 1990364, 2487955, 4975910, 9951820]

約数ペア:

[(1, 9951820), (2, 4975910), (4, 2487955), (5, 1990364), (10, 995182), (19, 523780), (20, 497591), (38, 261890), (76, 130945), (95, 104756), (190, 52378), (380, 26189)]