20189666

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 37200000

約数和(自身を除く): 17010334

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 343, 686, 931, 1549, 1862, 3098, 6517, 10843, 13034, 21686, 29431, 58862, 75901, 151802, 206017, 412034, 531307, 1062614, 1442119, 2884238, 10094833, 20189666]

約数ペア:

[(1, 20189666), (2, 10094833), (7, 2884238), (14, 1442119), (19, 1062614), (38, 531307), (49, 412034), (98, 206017), (133, 151802), (266, 75901), (343, 58862), (686, 29431), (931, 21686), (1549, 13034), (1862, 10843), (3098, 6517)]