17996888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 24339112

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 419, 472, 728, 767, 826, 838, 1534, 1652, 1676, 2933, 3068, 3304, 3352, 5369, 5447, 5866, 6136, 10738, 10894, 11732, 21476, 21788, 23464, 24721, 38129, 42952, 43576, 49442, 76258, 98884, 152516, 173047, 197768, 305032, 321373, 346094, 642746, 692188, 1285492, 1384376, 2249611, 2570984, 4499222, 8998444, 17996888]

約数ペア:

[(1, 17996888), (2, 8998444), (4, 4499222), (7, 2570984), (8, 2249611), (13, 1384376), (14, 1285492), (26, 692188), (28, 642746), (52, 346094), (56, 321373), (59, 305032), (91, 197768), (104, 173047), (118, 152516), (182, 98884), (236, 76258), (364, 49442), (413, 43576), (419, 42952), (472, 38129), (728, 24721), (767, 23464), (826, 21788), (838, 21476), (1534, 11732), (1652, 10894), (1676, 10738), (2933, 6136), (3068, 5866), (3304, 5447), (3352, 5369)]