17948868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1361}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 48203904

約数和(自身を除く): 30255036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1361, 1884, 2198, 2722, 3297, 4083, 4396, 5444, 6594, 8166, 9527, 13188, 16332, 19054, 28581, 38108, 57162, 114324, 213677, 427354, 641031, 854708, 1282062, 1495739, 2564124, 2991478, 4487217, 5982956, 8974434, 17948868]

約数ペア:

[(1, 17948868), (2, 8974434), (3, 5982956), (4, 4487217), (6, 2991478), (7, 2564124), (12, 1495739), (14, 1282062), (21, 854708), (28, 641031), (42, 427354), (84, 213677), (157, 114324), (314, 57162), (471, 38108), (628, 28581), (942, 19054), (1099, 16332), (1361, 13188), (1884, 9527), (2198, 8166), (2722, 6594), (3297, 5444), (4083, 4396)]