20180910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18181}}^1$

素因数の和:18228

約数の個数: 32

約数和(自身を含む): 49745952

約数和(自身を除く): 29565042

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18181, 36362, 54543, 90905, 109086, 181810, 272715, 545430, 672697, 1345394, 2018091, 3363485, 4036182, 6726970, 10090455, 20180910]

約数ペア:

[(1, 20180910), (2, 10090455), (3, 6726970), (5, 4036182), (6, 3363485), (10, 2018091), (15, 1345394), (30, 672697), (37, 545430), (74, 272715), (111, 181810), (185, 109086), (222, 90905), (370, 54543), (555, 36362), (1110, 18181)]