19655042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 13799038

約数列:

[1, 2, 11, 22, 43, 79, 86, 158, 263, 473, 526, 869, 946, 1738, 2893, 3397, 5786, 6794, 11309, 20777, 22618, 37367, 41554, 74734, 124399, 228547, 248798, 457094, 893411, 1786822, 9827521, 19655042]

約数ペア:

[(1, 19655042), (2, 9827521), (11, 1786822), (22, 893411), (43, 457094), (79, 248798), (86, 228547), (158, 124399), (263, 74734), (473, 41554), (526, 37367), (869, 22618), (946, 20777), (1738, 11309), (2893, 6794), (3397, 5786)]