19741085

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 29863680

約数和(自身を除く): 10122595

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1009, 1505, 2795, 3913, 5045, 7063, 13117, 19565, 35315, 43387, 65585, 91819, 216935, 303709, 459095, 564031, 1518545, 2820155, 3948217, 19741085]

約数ペア:

[(1, 19741085), (5, 3948217), (7, 2820155), (13, 1518545), (35, 564031), (43, 459095), (65, 303709), (91, 216935), (215, 91819), (301, 65585), (455, 43387), (559, 35315), (1009, 19565), (1505, 13117), (2795, 7063), (3913, 5045)]