18318132

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 53371136

約数和(自身を除く): 35053004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 463, 471, 628, 926, 942, 1099, 1389, 1413, 1852, 1884, 2198, 2778, 2826, 3241, 3297, 4167, 4396, 5556, 5652, 6482, 6594, 8334, 9723, 9891, 12964, 13188, 16668, 19446, 19782, 29169, 38892, 39564, 58338, 72691, 116676, 145382, 218073, 290764, 436146, 508837, 654219, 872292, 1017674, 1308438, 1526511, 2035348, 2616876, 3053022, 4579533, 6106044, 9159066, 18318132]

約数ペア:

[(1, 18318132), (2, 9159066), (3, 6106044), (4, 4579533), (6, 3053022), (7, 2616876), (9, 2035348), (12, 1526511), (14, 1308438), (18, 1017674), (21, 872292), (28, 654219), (36, 508837), (42, 436146), (63, 290764), (84, 218073), (126, 145382), (157, 116676), (252, 72691), (314, 58338), (463, 39564), (471, 38892), (628, 29169), (926, 19782), (942, 19446), (1099, 16668), (1389, 13188), (1413, 12964), (1852, 9891), (1884, 9723), (2198, 8334), (2778, 6594), (2826, 6482), (3241, 5652), (3297, 5556), (4167, 4396)]