19189495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 26046720

約数和(自身を除く): 6857225

約数列:

[1, 5, 13, 37, 65, 79, 101, 185, 395, 481, 505, 1027, 1313, 2405, 2923, 3737, 5135, 6565, 7979, 14615, 18685, 37999, 39895, 48581, 103727, 189995, 242905, 295223, 518635, 1476115, 3837899, 19189495]

約数ペア:

[(1, 19189495), (5, 3837899), (13, 1476115), (37, 518635), (65, 295223), (79, 242905), (101, 189995), (185, 103727), (395, 48581), (481, 39895), (505, 37999), (1027, 18685), (1313, 14615), (2405, 7979), (2923, 6565), (3737, 5135)]