19935963

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 56

約数和(自身を含む): 33052320

約数和(自身を除く): 13116357

約数列:

[1, 3, 9, 23, 27, 29, 41, 69, 81, 87, 123, 207, 243, 261, 369, 621, 667, 729, 783, 943, 1107, 1189, 1863, 2001, 2349, 2829, 3321, 3567, 5589, 6003, 7047, 8487, 9963, 10701, 16767, 18009, 21141, 25461, 27347, 29889, 32103, 54027, 76383, 82041, 96309, 162081, 229149, 246123, 288927, 486243, 687447, 738369, 866781, 2215107, 6645321, 19935963]

約数ペア:

[(1, 19935963), (3, 6645321), (9, 2215107), (23, 866781), (27, 738369), (29, 687447), (41, 486243), (69, 288927), (81, 246123), (87, 229149), (123, 162081), (207, 96309), (243, 82041), (261, 76383), (369, 54027), (621, 32103), (667, 29889), (729, 27347), (783, 25461), (943, 21141), (1107, 18009), (1189, 16767), (1863, 10701), (2001, 9963), (2349, 8487), (2829, 7047), (3321, 6003), (3567, 5589)]