18977661

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1747}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 29450304

約数和(自身を除く): 10472643

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 1747, 3621, 5241, 10863, 15723, 29699, 89097, 124037, 267291, 372111, 1116333, 2108629, 6325887, 18977661]

約数ペア:

[(1, 18977661), (3, 6325887), (9, 2108629), (17, 1116333), (51, 372111), (71, 267291), (153, 124037), (213, 89097), (639, 29699), (1207, 15723), (1747, 10863), (3621, 5241)]