18717335

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 28557312

約数和(自身を除く): 9839977

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1327, 2015, 2821, 6635, 9289, 14105, 17251, 41137, 46445, 86255, 120757, 205685, 287959, 534781, 603785, 1439795, 2673905, 3743467, 18717335]

約数ペア:

[(1, 18717335), (5, 3743467), (7, 2673905), (13, 1439795), (31, 603785), (35, 534781), (65, 287959), (91, 205685), (155, 120757), (217, 86255), (403, 46445), (455, 41137), (1085, 17251), (1327, 14105), (2015, 9289), (2821, 6635)]