19161961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 24837120

約数和(自身を除く): 5675159

約数列:

[1, 7, 13, 43, 59, 83, 91, 301, 413, 559, 581, 767, 1079, 2537, 3569, 3913, 4897, 5369, 7553, 17759, 24983, 32981, 34279, 46397, 63661, 210571, 230867, 324779, 445627, 1473997, 2737423, 19161961]

約数ペア:

[(1, 19161961), (7, 2737423), (13, 1473997), (43, 445627), (59, 324779), (83, 230867), (91, 210571), (301, 63661), (413, 46397), (559, 34279), (581, 32981), (767, 24983), (1079, 17759), (2537, 7553), (3569, 5369), (3913, 4897)]