1999467001540

素因数分解:

$2^2\times 5^1\times {\mathrm{18919}}^1\times {\mathrm{5284283}}^1$

素因数の和:5303211

約数の個数: 24

約数和(自身を含む): 4199103437760

約数和(自身を除く): 2199636436220

約数列:

[1, 2, 4, 5, 10, 20, 18919, 37838, 75676, 94595, 189190, 378380, 5284283, 10568566, 21137132, 26421415, 52842830, 105685660, 99973350077, 199946700154, 399893400308, 499866750385, 999733500770, 1999467001540]

約数ペア:

[(1, 1999467001540), (2, 999733500770), (4, 499866750385), (5, 399893400308), (10, 199946700154), (20, 99973350077), (18919, 105685660), (37838, 52842830), (75676, 26421415), (94595, 21137132), (189190, 10568566), (378380, 5284283)]