18755165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1543}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 28014336

約数和(自身を除く): 9259171

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 1543, 2431, 7715, 12155, 16973, 20059, 26231, 84865, 100295, 131155, 220649, 288541, 341003, 1103245, 1442705, 1705015, 3751033, 18755165]

約数ペア:

[(1, 18755165), (5, 3751033), (11, 1705015), (13, 1442705), (17, 1103245), (55, 341003), (65, 288541), (85, 220649), (143, 131155), (187, 100295), (221, 84865), (715, 26231), (935, 20059), (1105, 16973), (1543, 12155), (2431, 7715)]