189919138

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{317}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 308271744

約数和(自身を除く): 118352606

約数列:

[1, 2, 17, 34, 67, 134, 263, 317, 526, 634, 1139, 2278, 4471, 5389, 8942, 10778, 17621, 21239, 35242, 42478, 83371, 166742, 299557, 361063, 599114, 722126, 1417307, 2834614, 5585857, 11171714, 94959569, 189919138]

約数ペア:

[(1, 189919138), (2, 94959569), (17, 11171714), (34, 5585857), (67, 2834614), (134, 1417307), (263, 722126), (317, 599114), (526, 361063), (634, 299557), (1139, 166742), (2278, 83371), (4471, 42478), (5389, 35242), (8942, 21239), (10778, 17621)]