18231616

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1331

約数の個数: 56

約数和(自身を含む): 41285160

約数和(自身を除く): 23053544

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1289, 1768, 2578, 3536, 5156, 7072, 10312, 14144, 16757, 20624, 21913, 33514, 41248, 43826, 67028, 82496, 87652, 134056, 175304, 268112, 284869, 350608, 536224, 569738, 701216, 1072448, 1139476, 1402432, 2278952, 4557904, 9115808, 18231616]

約数ペア:

[(1, 18231616), (2, 9115808), (4, 4557904), (8, 2278952), (13, 1402432), (16, 1139476), (17, 1072448), (26, 701216), (32, 569738), (34, 536224), (52, 350608), (64, 284869), (68, 268112), (104, 175304), (136, 134056), (208, 87652), (221, 82496), (272, 67028), (416, 43826), (442, 41248), (544, 33514), (832, 21913), (884, 20624), (1088, 16757), (1289, 14144), (1768, 10312), (2578, 7072), (3536, 5156)]