18812108

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{7549}}^1$

素因数の和:7649

約数の個数: 24

約数和(自身を含む): 38052000

約数和(自身を除く): 19239892

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 7549, 15098, 30196, 52843, 105686, 211372, 671861, 1343722, 2687444, 4703027, 9406054, 18812108]

約数ペア:

[(1, 18812108), (2, 9406054), (4, 4703027), (7, 2687444), (14, 1343722), (28, 671861), (89, 211372), (178, 105686), (356, 52843), (623, 30196), (1246, 15098), (2492, 7549)]