18861999

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{5827}}^1$

素因数の和:5926

約数の個数: 16

約数和(自身を含む): 27414912

約数和(自身を除く): 8552913

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 5827, 17481, 75751, 227253, 483641, 1450923, 6287333, 18861999]

約数ペア:

[(1, 18861999), (3, 6287333), (13, 1450923), (39, 483641), (83, 227253), (249, 75751), (1079, 17481), (3237, 5827)]