18982336

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 56

約数和(自身を含む): 40599360

約数和(自身を除く): 21617024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 239, 272, 292, 478, 544, 584, 956, 1088, 1168, 1241, 1912, 2336, 2482, 3824, 4063, 4672, 4964, 7648, 8126, 9928, 15296, 16252, 17447, 19856, 32504, 34894, 39712, 65008, 69788, 79424, 130016, 139576, 260032, 279152, 296599, 558304, 593198, 1116608, 1186396, 2372792, 4745584, 9491168, 18982336]

約数ペア:

[(1, 18982336), (2, 9491168), (4, 4745584), (8, 2372792), (16, 1186396), (17, 1116608), (32, 593198), (34, 558304), (64, 296599), (68, 279152), (73, 260032), (136, 139576), (146, 130016), (239, 79424), (272, 69788), (292, 65008), (478, 39712), (544, 34894), (584, 32504), (956, 19856), (1088, 17447), (1168, 16252), (1241, 15296), (1912, 9928), (2336, 8126), (2482, 7648), (3824, 4964), (4063, 4672)]