18468621

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 28704000

約数和(自身を除く): 10235379

約数列:

[1, 3, 9, 27, 29, 87, 103, 229, 261, 309, 687, 783, 927, 2061, 2781, 2987, 6183, 6641, 8961, 19923, 23587, 26883, 59769, 70761, 80649, 179307, 212283, 636849, 684023, 2052069, 6156207, 18468621]

約数ペア:

[(1, 18468621), (3, 6156207), (9, 2052069), (27, 684023), (29, 636849), (87, 212283), (103, 179307), (229, 80649), (261, 70761), (309, 59769), (687, 26883), (783, 23587), (927, 19923), (2061, 8961), (2781, 6641), (2987, 6183)]