18940716

素因数分解:

$2^2\times 3^4\times {\mathrm{53}}^1\times {\mathrm{1103}}^1$

素因数の和:1172

約数の個数: 60

約数和(自身を含む): 50494752

約数和(自身を除く): 31554036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 318, 324, 477, 636, 954, 1103, 1431, 1908, 2206, 2862, 3309, 4293, 4412, 5724, 6618, 8586, 9927, 13236, 17172, 19854, 29781, 39708, 58459, 59562, 89343, 116918, 119124, 175377, 178686, 233836, 350754, 357372, 526131, 701508, 1052262, 1578393, 2104524, 3156786, 4735179, 6313572, 9470358, 18940716]

約数ペア:

[(1, 18940716), (2, 9470358), (3, 6313572), (4, 4735179), (6, 3156786), (9, 2104524), (12, 1578393), (18, 1052262), (27, 701508), (36, 526131), (53, 357372), (54, 350754), (81, 233836), (106, 178686), (108, 175377), (159, 119124), (162, 116918), (212, 89343), (318, 59562), (324, 58459), (477, 39708), (636, 29781), (954, 19854), (1103, 17172), (1431, 13236), (1908, 9927), (2206, 8586), (2862, 6618), (3309, 5724), (4293, 4412)]