19405631

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2473}}^1$

素因数の和:2558

約数の個数: 16

約数和(自身を含む): 23750400

約数和(自身を除く): 4344769

約数列:

[1, 7, 19, 59, 133, 413, 1121, 2473, 7847, 17311, 46987, 145907, 328909, 1021349, 2772233, 19405631]

約数ペア:

[(1, 19405631), (7, 2772233), (19, 1021349), (59, 328909), (133, 145907), (413, 46987), (1121, 17311), (2473, 7847)]