18330686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12773314

約数列:

[1, 2, 11, 22, 53, 79, 106, 158, 199, 398, 583, 869, 1166, 1738, 2189, 4187, 4378, 8374, 10547, 15721, 21094, 31442, 46057, 92114, 116017, 172931, 232034, 345862, 833213, 1666426, 9165343, 18330686]

約数ペア:

[(1, 18330686), (2, 9165343), (11, 1666426), (22, 833213), (53, 345862), (79, 232034), (106, 172931), (158, 116017), (199, 92114), (398, 46057), (583, 31442), (869, 21094), (1166, 15721), (1738, 10547), (2189, 8374), (4187, 4378)]