18219564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 50756160

約数和(自身を除く): 32536596

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 139, 198, 278, 331, 396, 417, 556, 662, 834, 993, 1251, 1324, 1529, 1668, 1986, 2502, 2979, 3058, 3641, 3972, 4587, 5004, 5958, 6116, 7282, 9174, 10923, 11916, 13761, 14564, 18348, 21846, 27522, 32769, 43692, 46009, 55044, 65538, 92018, 131076, 138027, 184036, 276054, 414081, 506099, 552108, 828162, 1012198, 1518297, 1656324, 2024396, 3036594, 4554891, 6073188, 9109782, 18219564]

約数ペア:

[(1, 18219564), (2, 9109782), (3, 6073188), (4, 4554891), (6, 3036594), (9, 2024396), (11, 1656324), (12, 1518297), (18, 1012198), (22, 828162), (33, 552108), (36, 506099), (44, 414081), (66, 276054), (99, 184036), (132, 138027), (139, 131076), (198, 92018), (278, 65538), (331, 55044), (396, 46009), (417, 43692), (556, 32769), (662, 27522), (834, 21846), (993, 18348), (1251, 14564), (1324, 13761), (1529, 11916), (1668, 10923), (1986, 9174), (2502, 7282), (2979, 6116), (3058, 5958), (3641, 5004), (3972, 4587)]