18708390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2143}}^1$

素因数の和:2253

約数の個数: 48

約数和(自身を含む): 49166208

約数和(自身を除く): 30457818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2143, 2910, 4286, 4365, 6429, 8730, 10715, 12858, 19287, 21430, 32145, 38574, 64290, 96435, 192870, 207871, 415742, 623613, 1039355, 1247226, 1870839, 2078710, 3118065, 3741678, 6236130, 9354195, 18708390]

約数ペア:

[(1, 18708390), (2, 9354195), (3, 6236130), (5, 3741678), (6, 3118065), (9, 2078710), (10, 1870839), (15, 1247226), (18, 1039355), (30, 623613), (45, 415742), (90, 207871), (97, 192870), (194, 96435), (291, 64290), (485, 38574), (582, 32145), (873, 21430), (970, 19287), (1455, 12858), (1746, 10715), (2143, 8730), (2910, 6429), (4286, 4365)]