19793241

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18797}}^1$

素因数の和:18822

約数の個数: 20

約数和(自身を含む): 31843812

約数和(自身を除く): 12050571

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18797, 56391, 169173, 244361, 507519, 733083, 1522557, 2199249, 6597747, 19793241]

約数ペア:

[(1, 19793241), (3, 6597747), (9, 2199249), (13, 1522557), (27, 733083), (39, 507519), (81, 244361), (117, 169173), (351, 56391), (1053, 18797)]