19118463

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5387}}^1$

素因数の和:5423

約数の個数: 24

約数和(自身を含む): 31552128

約数和(自身を除く): 12433665

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 5387, 16161, 37709, 70031, 113127, 210093, 490217, 910403, 1470651, 2731209, 6372821, 19118463]

約数ペア:

[(1, 19118463), (3, 6372821), (7, 2731209), (13, 1470651), (21, 910403), (39, 490217), (91, 210093), (169, 113127), (273, 70031), (507, 37709), (1183, 16161), (3549, 5387)]