18166557

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 27060480

約数和(自身を除く): 8893923

約数列:

[1, 3, 17, 29, 51, 71, 87, 173, 213, 493, 519, 1207, 1479, 2059, 2941, 3621, 5017, 6177, 8823, 12283, 15051, 35003, 36849, 85289, 105009, 208811, 255867, 356207, 626433, 1068621, 6055519, 18166557]

約数ペア:

[(1, 18166557), (3, 6055519), (17, 1068621), (29, 626433), (51, 356207), (71, 255867), (87, 208811), (173, 105009), (213, 85289), (493, 36849), (519, 35003), (1207, 15051), (1479, 12283), (2059, 8823), (2941, 6177), (3621, 5017)]