18985450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{34519}}^1$

素因数の和:34542

約数の個数: 24

約数和(自身を含む): 38524320

約数和(自身を除く): 19538870

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 34519, 69038, 172595, 345190, 379709, 759418, 862975, 1725950, 1898545, 3797090, 9492725, 18985450]

約数ペア:

[(1, 18985450), (2, 9492725), (5, 3797090), (10, 1898545), (11, 1725950), (22, 862975), (25, 759418), (50, 379709), (55, 345190), (110, 172595), (275, 69038), (550, 34519)]