19256518

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:340

約数の個数: 24

約数和(自身を含む): 30671784

約数和(自身を除く): 11415266

約数列:

[1, 2, 31, 43, 62, 86, 233, 466, 961, 1333, 1922, 2666, 7223, 10019, 14446, 20038, 41323, 82646, 223913, 310589, 447826, 621178, 9628259, 19256518]

約数ペア:

[(1, 19256518), (2, 9628259), (31, 621178), (43, 447826), (62, 310589), (86, 223913), (233, 82646), (466, 41323), (961, 20038), (1333, 14446), (1922, 10019), (2666, 7223)]