18767680

素因数分解:

$2^6\times 5^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:503

約数の個数: 56

約数和(自身を含む): 45061632

約数和(自身を除く): 26293952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 223, 263, 320, 446, 526, 892, 1052, 1115, 1315, 1784, 2104, 2230, 2630, 3568, 4208, 4460, 5260, 7136, 8416, 8920, 10520, 14272, 16832, 17840, 21040, 35680, 42080, 58649, 71360, 84160, 117298, 234596, 293245, 469192, 586490, 938384, 1172980, 1876768, 2345960, 3753536, 4691920, 9383840, 18767680]

約数ペア:

[(1, 18767680), (2, 9383840), (4, 4691920), (5, 3753536), (8, 2345960), (10, 1876768), (16, 1172980), (20, 938384), (32, 586490), (40, 469192), (64, 293245), (80, 234596), (160, 117298), (223, 84160), (263, 71360), (320, 58649), (446, 42080), (526, 35680), (892, 21040), (1052, 17840), (1115, 16832), (1315, 14272), (1784, 10520), (2104, 8920), (2230, 8416), (2630, 7136), (3568, 5260), (4208, 4460)]