19887417

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2309}}^1$

素因数の和:2358

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 13376583

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2309, 2871, 6927, 8613, 20781, 25399, 62343, 66961, 76197, 200883, 228591, 602649, 685773, 736571, 1807947, 2209713, 6629139, 19887417]

約数ペア:

[(1, 19887417), (3, 6629139), (9, 2209713), (11, 1807947), (27, 736571), (29, 685773), (33, 602649), (87, 228591), (99, 200883), (261, 76197), (297, 66961), (319, 62343), (783, 25399), (957, 20781), (2309, 8613), (2871, 6927)]