18980992

素因数分解:

$2^7\times {\mathrm{257}}^1\times {\mathrm{577}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 38026620

約数和(自身を除く): 19045628

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 257, 514, 577, 1028, 1154, 2056, 2308, 4112, 4616, 8224, 9232, 16448, 18464, 32896, 36928, 73856, 148289, 296578, 593156, 1186312, 2372624, 4745248, 9490496, 18980992]

約数ペア:

[(1, 18980992), (2, 9490496), (4, 4745248), (8, 2372624), (16, 1186312), (32, 593156), (64, 296578), (128, 148289), (257, 73856), (514, 36928), (577, 32896), (1028, 18464), (1154, 16448), (2056, 9232), (2308, 8224), (4112, 4616)]