19424489

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 5790487

約数列:

[1, 7, 17, 23, 47, 119, 151, 161, 329, 391, 799, 1057, 1081, 2567, 2737, 3473, 5593, 7097, 7567, 17969, 18377, 24311, 49679, 59041, 120649, 128639, 163231, 413287, 844543, 1142617, 2774927, 19424489]

約数ペア:

[(1, 19424489), (7, 2774927), (17, 1142617), (23, 844543), (47, 413287), (119, 163231), (151, 128639), (161, 120649), (329, 59041), (391, 49679), (799, 24311), (1057, 18377), (1081, 17969), (2567, 7567), (2737, 7097), (3473, 5593)]