18255578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 31485888

約数和(自身を除く): 13230310

約数列:

[1, 2, 11, 22, 37, 41, 74, 82, 407, 451, 547, 814, 902, 1094, 1517, 3034, 6017, 12034, 16687, 20239, 22427, 33374, 40478, 44854, 222629, 246697, 445258, 493394, 829799, 1659598, 9127789, 18255578]

約数ペア:

[(1, 18255578), (2, 9127789), (11, 1659598), (22, 829799), (37, 493394), (41, 445258), (74, 246697), (82, 222629), (407, 44854), (451, 40478), (547, 33374), (814, 22427), (902, 20239), (1094, 16687), (1517, 12034), (3034, 6017)]