18391702

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 32643072

約数和(自身を除く): 14251370

約数列:

[1, 2, 7, 14, 43, 86, 137, 223, 274, 301, 446, 602, 959, 1561, 1918, 3122, 5891, 9589, 11782, 19178, 30551, 41237, 61102, 67123, 82474, 134246, 213857, 427714, 1313693, 2627386, 9195851, 18391702]

約数ペア:

[(1, 18391702), (2, 9195851), (7, 2627386), (14, 1313693), (43, 427714), (86, 213857), (137, 134246), (223, 82474), (274, 67123), (301, 61102), (446, 41237), (602, 30551), (959, 19178), (1561, 11782), (1918, 9589), (3122, 5891)]