19287723

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10093}}^1$

素因数の和:10123

約数の個数: 24

約数和(自身を含む): 32220048

約数和(自身を除く): 12932325

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10093, 30279, 70651, 131209, 211953, 393627, 494557, 918463, 1483671, 2755389, 6429241, 19287723]

約数ペア:

[(1, 19287723), (3, 6429241), (7, 2755389), (13, 1483671), (21, 918463), (39, 494557), (49, 393627), (91, 211953), (147, 131209), (273, 70651), (637, 30279), (1911, 10093)]