18316753

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 23969792

約数和(自身を除く): 5653039

約数列:

[1, 7, 13, 31, 43, 91, 151, 217, 301, 403, 559, 1057, 1333, 1963, 2821, 3913, 4681, 6493, 9331, 13741, 17329, 32767, 45451, 60853, 84409, 121303, 201283, 425971, 590863, 1408981, 2616679, 18316753]

約数ペア:

[(1, 18316753), (7, 2616679), (13, 1408981), (31, 590863), (43, 425971), (91, 201283), (151, 121303), (217, 84409), (301, 60853), (403, 45451), (559, 32767), (1057, 17329), (1333, 13741), (1963, 9331), (2821, 6493), (3913, 4681)]