18913398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 46103040

約数和(自身を除く): 27189642

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 137, 173, 266, 274, 346, 399, 411, 519, 798, 822, 959, 1038, 1211, 1918, 2422, 2603, 2877, 3287, 3633, 5206, 5754, 6574, 7266, 7809, 9861, 15618, 18221, 19722, 23009, 23701, 36442, 46018, 47402, 54663, 69027, 71103, 109326, 138054, 142206, 165907, 331814, 450319, 497721, 900638, 995442, 1350957, 2701914, 3152233, 6304466, 9456699, 18913398]

約数ペア:

[(1, 18913398), (2, 9456699), (3, 6304466), (6, 3152233), (7, 2701914), (14, 1350957), (19, 995442), (21, 900638), (38, 497721), (42, 450319), (57, 331814), (114, 165907), (133, 142206), (137, 138054), (173, 109326), (266, 71103), (274, 69027), (346, 54663), (399, 47402), (411, 46018), (519, 36442), (798, 23701), (822, 23009), (959, 19722), (1038, 18221), (1211, 15618), (1918, 9861), (2422, 7809), (2603, 7266), (2877, 6574), (3287, 5754), (3633, 5206)]