18613270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2137}}^1$

素因数の和:2224

約数の個数: 32

約数和(自身を含む): 36636768

約数和(自身を除く): 18023498

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2137, 4274, 4355, 8710, 10685, 21370, 27781, 55562, 138905, 143179, 277810, 286358, 715895, 1431790, 1861327, 3722654, 9306635, 18613270]

約数ペア:

[(1, 18613270), (2, 9306635), (5, 3722654), (10, 1861327), (13, 1431790), (26, 715895), (65, 286358), (67, 277810), (130, 143179), (134, 138905), (335, 55562), (670, 27781), (871, 21370), (1742, 10685), (2137, 8710), (4274, 4355)]