18389036

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 36812160

約数和(自身を除く): 18423124

約数列:

[1, 2, 4, 17, 19, 34, 38, 43, 68, 76, 86, 172, 323, 331, 646, 662, 731, 817, 1292, 1324, 1462, 1634, 2924, 3268, 5627, 6289, 11254, 12578, 13889, 14233, 22508, 25156, 27778, 28466, 55556, 56932, 106913, 213826, 241961, 270427, 427652, 483922, 540854, 967844, 1081708, 4597259, 9194518, 18389036]

約数ペア:

[(1, 18389036), (2, 9194518), (4, 4597259), (17, 1081708), (19, 967844), (34, 540854), (38, 483922), (43, 427652), (68, 270427), (76, 241961), (86, 213826), (172, 106913), (323, 56932), (331, 55556), (646, 28466), (662, 27778), (731, 25156), (817, 22508), (1292, 14233), (1324, 13889), (1462, 12578), (1634, 11254), (2924, 6289), (3268, 5627)]