18788510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1279}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 17983330

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1279, 1469, 2558, 2938, 6395, 7345, 12790, 14690, 16627, 33254, 83135, 144527, 166270, 289054, 722635, 1445270, 1878851, 3757702, 9394255, 18788510]

約数ペア:

[(1, 18788510), (2, 9394255), (5, 3757702), (10, 1878851), (13, 1445270), (26, 722635), (65, 289054), (113, 166270), (130, 144527), (226, 83135), (565, 33254), (1130, 16627), (1279, 14690), (1469, 12790), (2558, 7345), (2938, 6395)]