19206638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 32693760

約数和(自身を除く): 13487122

約数列:

[1, 2, 11, 22, 43, 79, 86, 158, 257, 473, 514, 869, 946, 1738, 2827, 3397, 5654, 6794, 11051, 20303, 22102, 37367, 40606, 74734, 121561, 223333, 243122, 446666, 873029, 1746058, 9603319, 19206638]

約数ペア:

[(1, 19206638), (2, 9603319), (11, 1746058), (22, 873029), (43, 446666), (79, 243122), (86, 223333), (158, 121561), (257, 74734), (473, 40606), (514, 37367), (869, 22102), (946, 20303), (1738, 11051), (2827, 6794), (3397, 5654)]