2018025776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{225629}}^1$

素因数の和:225693

約数の個数: 40

約数和(自身を含む): 4308630480

約数和(自身を除く): 2290604704

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 225629, 451258, 902516, 1805032, 2933177, 3610064, 5866354, 9702047, 11732708, 19404094, 23465416, 38808188, 46930832, 77616376, 126126611, 155232752, 252253222, 504506444, 1009012888, 2018025776]

約数ペア:

[(1, 2018025776), (2, 1009012888), (4, 504506444), (8, 252253222), (13, 155232752), (16, 126126611), (26, 77616376), (43, 46930832), (52, 38808188), (86, 23465416), (104, 19404094), (172, 11732708), (208, 9702047), (344, 5866354), (559, 3610064), (688, 2933177), (1118, 1805032), (2236, 902516), (4472, 451258), (8944, 225629)]