18640902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{839}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 44593920

約数和(自身を除く): 25953018

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 529, 839, 966, 1058, 1587, 1678, 2517, 3174, 3703, 5034, 5873, 7406, 11109, 11746, 17619, 19297, 22218, 35238, 38594, 57891, 115782, 135079, 270158, 405237, 443831, 810474, 887662, 1331493, 2662986, 3106817, 6213634, 9320451, 18640902]

約数ペア:

[(1, 18640902), (2, 9320451), (3, 6213634), (6, 3106817), (7, 2662986), (14, 1331493), (21, 887662), (23, 810474), (42, 443831), (46, 405237), (69, 270158), (138, 135079), (161, 115782), (322, 57891), (483, 38594), (529, 35238), (839, 22218), (966, 19297), (1058, 17619), (1587, 11746), (1678, 11109), (2517, 7406), (3174, 5873), (3703, 5034)]