18090558

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1249

約数の個数: 48

約数和(自身を含む): 42041376

約数和(自身を除く): 23950818

約数列:

[1, 2, 3, 6, 9, 18, 23, 37, 46, 69, 74, 111, 138, 207, 222, 333, 414, 666, 851, 1181, 1702, 2362, 2553, 3543, 5106, 7086, 7659, 10629, 15318, 21258, 27163, 43697, 54326, 81489, 87394, 131091, 162978, 244467, 262182, 393273, 488934, 786546, 1005031, 2010062, 3015093, 6030186, 9045279, 18090558]

約数ペア:

[(1, 18090558), (2, 9045279), (3, 6030186), (6, 3015093), (9, 2010062), (18, 1005031), (23, 786546), (37, 488934), (46, 393273), (69, 262182), (74, 244467), (111, 162978), (138, 131091), (207, 87394), (222, 81489), (333, 54326), (414, 43697), (666, 27163), (851, 21258), (1181, 15318), (1702, 10629), (2362, 7659), (2553, 7086), (3543, 5106)]