18886158

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 42443856

約数和(自身を除く): 23557698

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 157, 163, 246, 314, 326, 369, 471, 489, 738, 942, 978, 1413, 1467, 2826, 2934, 6437, 6683, 12874, 13366, 19311, 20049, 25591, 38622, 40098, 51182, 57933, 60147, 76773, 115866, 120294, 153546, 230319, 460638, 1049231, 2098462, 3147693, 6295386, 9443079, 18886158]

約数ペア:

[(1, 18886158), (2, 9443079), (3, 6295386), (6, 3147693), (9, 2098462), (18, 1049231), (41, 460638), (82, 230319), (123, 153546), (157, 120294), (163, 115866), (246, 76773), (314, 60147), (326, 57933), (369, 51182), (471, 40098), (489, 38622), (738, 25591), (942, 20049), (978, 19311), (1413, 13366), (1467, 12874), (2826, 6683), (2934, 6437)]