18882110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{431}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 36796032

約数和(自身を除く): 17913922

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 337, 431, 674, 862, 1685, 2155, 3370, 4310, 4381, 5603, 8762, 11206, 21905, 28015, 43810, 56030, 145247, 290494, 726235, 1452470, 1888211, 3776422, 9441055, 18882110]

約数ペア:

[(1, 18882110), (2, 9441055), (5, 3776422), (10, 1888211), (13, 1452470), (26, 726235), (65, 290494), (130, 145247), (337, 56030), (431, 43810), (674, 28015), (862, 21905), (1685, 11206), (2155, 8762), (3370, 5603), (4310, 4381)]