18964491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69467}}^1$

素因数の和:69490

約数の個数: 16

約数和(自身を含む): 31121664

約数和(自身を除く): 12157173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 69467, 208401, 486269, 903071, 1458807, 2709213, 6321497, 18964491]

約数ペア:

[(1, 18964491), (3, 6321497), (7, 2709213), (13, 1458807), (21, 903071), (39, 486269), (91, 208401), (273, 69467)]