18902200

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3259}}^1$

素因数の和:3304

約数の個数: 48

約数和(自身を含む): 45477000

約数和(自身を除く): 26574800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3259, 5800, 6518, 13036, 16295, 26072, 32590, 65180, 81475, 94511, 130360, 162950, 189022, 325900, 378044, 472555, 651800, 756088, 945110, 1890220, 2362775, 3780440, 4725550, 9451100, 18902200]

約数ペア:

[(1, 18902200), (2, 9451100), (4, 4725550), (5, 3780440), (8, 2362775), (10, 1890220), (20, 945110), (25, 756088), (29, 651800), (40, 472555), (50, 378044), (58, 325900), (100, 189022), (116, 162950), (145, 130360), (200, 94511), (232, 81475), (290, 65180), (580, 32590), (725, 26072), (1160, 16295), (1450, 13036), (2900, 6518), (3259, 5800)]