18445713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 31825920

約数和(自身を除く): 13380207

約数列:

[1, 3, 11, 13, 19, 31, 33, 39, 57, 73, 93, 143, 209, 219, 247, 341, 403, 429, 589, 627, 741, 803, 949, 1023, 1209, 1387, 1767, 2263, 2409, 2717, 2847, 4161, 4433, 6479, 6789, 7657, 8151, 10439, 13299, 15257, 18031, 19437, 22971, 24893, 29419, 31317, 42997, 45771, 54093, 74679, 84227, 88257, 128991, 198341, 252681, 323609, 472967, 558961, 595023, 970827, 1418901, 1676883, 6148571, 18445713]

約数ペア:

[(1, 18445713), (3, 6148571), (11, 1676883), (13, 1418901), (19, 970827), (31, 595023), (33, 558961), (39, 472967), (57, 323609), (73, 252681), (93, 198341), (143, 128991), (209, 88257), (219, 84227), (247, 74679), (341, 54093), (403, 45771), (429, 42997), (589, 31317), (627, 29419), (741, 24893), (803, 22971), (949, 19437), (1023, 18031), (1209, 15257), (1387, 13299), (1767, 10439), (2263, 8151), (2409, 7657), (2717, 6789), (2847, 6479), (4161, 4433)]