45000018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18797}}^1$

素因数の和:18831

約数の個数: 48

約数和(自身を含む): 117299520

約数和(自身を除く): 72299502

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 18797, 37594, 56391, 112782, 131579, 169173, 263158, 338346, 357143, 394737, 714286, 789474, 1071429, 1184211, 2142858, 2368422, 2500001, 3214287, 5000002, 6428574, 7500003, 15000006, 22500009, 45000018]

約数ペア:

[(1, 45000018), (2, 22500009), (3, 15000006), (6, 7500003), (7, 6428574), (9, 5000002), (14, 3214287), (18, 2500001), (19, 2368422), (21, 2142858), (38, 1184211), (42, 1071429), (57, 789474), (63, 714286), (114, 394737), (126, 357143), (133, 338346), (171, 263158), (266, 169173), (342, 131579), (399, 112782), (798, 56391), (1197, 37594), (2394, 18797)]