19491089488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{338293}}^1$

素因数の和:338591

約数の個数: 40

約数和(自身を含む): 40815847688

約数和(自身を除く): 21324758200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 277, 554, 1108, 2216, 3601, 4432, 7202, 14404, 28808, 57616, 338293, 676586, 1353172, 2706344, 4397809, 5412688, 8795618, 17591236, 35182472, 70364944, 93707161, 187414322, 374828644, 749657288, 1218193093, 1499314576, 2436386186, 4872772372, 9745544744, 19491089488]

約数ペア:

[(1, 19491089488), (2, 9745544744), (4, 4872772372), (8, 2436386186), (13, 1499314576), (16, 1218193093), (26, 749657288), (52, 374828644), (104, 187414322), (208, 93707161), (277, 70364944), (554, 35182472), (1108, 17591236), (2216, 8795618), (3601, 5412688), (4432, 4397809), (7202, 2706344), (14404, 1353172), (28808, 676586), (57616, 338293)]