18573678

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 44563200

約数和(自身を除く): 25989522

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 86, 114, 129, 171, 258, 342, 387, 421, 513, 774, 817, 842, 1026, 1161, 1263, 1634, 2322, 2451, 2526, 3789, 4902, 7353, 7578, 7999, 11367, 14706, 15998, 18103, 22059, 22734, 23997, 36206, 44118, 47994, 54309, 71991, 108618, 143982, 162927, 215973, 325854, 343957, 431946, 488781, 687914, 977562, 1031871, 2063742, 3095613, 6191226, 9286839, 18573678]

約数ペア:

[(1, 18573678), (2, 9286839), (3, 6191226), (6, 3095613), (9, 2063742), (18, 1031871), (19, 977562), (27, 687914), (38, 488781), (43, 431946), (54, 343957), (57, 325854), (86, 215973), (114, 162927), (129, 143982), (171, 108618), (258, 71991), (342, 54309), (387, 47994), (421, 44118), (513, 36206), (774, 23997), (817, 22734), (842, 22059), (1026, 18103), (1161, 15998), (1263, 14706), (1634, 11367), (2322, 7999), (2451, 7578), (2526, 7353), (3789, 4902)]