18810726

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7703}}^1$

素因数の和:7756

約数の個数: 32

約数和(自身を含む): 42156288

約数和(自身を除く): 23345562

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 7703, 15406, 23109, 46218, 84733, 169466, 254199, 285011, 508398, 570022, 855033, 1710066, 3135121, 6270242, 9405363, 18810726]

約数ペア:

[(1, 18810726), (2, 9405363), (3, 6270242), (6, 3135121), (11, 1710066), (22, 855033), (33, 570022), (37, 508398), (66, 285011), (74, 254199), (111, 169466), (222, 84733), (407, 46218), (814, 23109), (1221, 15406), (2442, 7703)]