18258734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 14158546

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 1607, 3214, 5681, 11362, 20891, 30533, 36961, 41782, 61066, 73922, 396929, 480493, 702259, 793858, 960986, 1404518, 9129367, 18258734]

約数ペア:

[(1, 18258734), (2, 9129367), (13, 1404518), (19, 960986), (23, 793858), (26, 702259), (38, 480493), (46, 396929), (247, 73922), (299, 61066), (437, 41782), (494, 36961), (598, 30533), (874, 20891), (1607, 11362), (3214, 5681)]