18270707

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 23708160

約数和(自身を除く): 5437453

約数列:

[1, 7, 13, 41, 59, 83, 91, 287, 413, 533, 581, 767, 1079, 2419, 3403, 3731, 4897, 5369, 7553, 16933, 23821, 31447, 34279, 44239, 63661, 200777, 220129, 309673, 445627, 1405439, 2610101, 18270707]

約数ペア:

[(1, 18270707), (7, 2610101), (13, 1405439), (41, 445627), (59, 309673), (83, 220129), (91, 200777), (287, 63661), (413, 44239), (533, 34279), (581, 31447), (767, 23821), (1079, 16933), (2419, 7553), (3403, 5369), (3731, 4897)]