19493748

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3449}}^1$

素因数の和:3616

約数の個数: 36

約数和(自身を含む): 49604100

約数和(自身を除く): 30110352

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3449, 5652, 6898, 10347, 13796, 20694, 31041, 41388, 62082, 124164, 541493, 1082986, 1624479, 2165972, 3248958, 4873437, 6497916, 9746874, 19493748]

約数ペア:

[(1, 19493748), (2, 9746874), (3, 6497916), (4, 4873437), (6, 3248958), (9, 2165972), (12, 1624479), (18, 1082986), (36, 541493), (157, 124164), (314, 62082), (471, 41388), (628, 31041), (942, 20694), (1413, 13796), (1884, 10347), (2826, 6898), (3449, 5652)]