19791477

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4157}}^1$

素因数の和:4209

約数の個数: 18

約数和(自身を含む): 29891862

約数和(自身を除く): 10100385

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4157, 4761, 12471, 37413, 95611, 286833, 860499, 2199053, 6597159, 19791477]

約数ペア:

[(1, 19791477), (3, 6597159), (9, 2199053), (23, 860499), (69, 286833), (207, 95611), (529, 37413), (1587, 12471), (4157, 4761)]