18920214

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{1987}}^1$

素因数の和:2041

約数の個数: 36

約数和(自身を含む): 42875196

約数和(自身を除く): 23954982

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 529, 1058, 1587, 1987, 3174, 3974, 4761, 5961, 9522, 11922, 17883, 35766, 45701, 91402, 137103, 274206, 411309, 822618, 1051123, 2102246, 3153369, 6306738, 9460107, 18920214]

約数ペア:

[(1, 18920214), (2, 9460107), (3, 6306738), (6, 3153369), (9, 2102246), (18, 1051123), (23, 822618), (46, 411309), (69, 274206), (138, 137103), (207, 91402), (414, 45701), (529, 35766), (1058, 17883), (1587, 11922), (1987, 9522), (3174, 5961), (3974, 4761)]