19974357

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6323}}^1$

素因数の和:6351

約数の個数: 24

約数和(自身を含む): 32227104

約数和(自身を除く): 12252747

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6323, 18969, 56907, 82199, 170721, 246597, 512163, 739791, 1536489, 2219373, 6658119, 19974357]

約数ペア:

[(1, 19974357), (3, 6658119), (9, 2219373), (13, 1536489), (27, 739791), (39, 512163), (81, 246597), (117, 170721), (243, 82199), (351, 56907), (1053, 18969), (3159, 6323)]