18376528

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 36950760

約数和(自身を除く): 18574232

約数列:

[1, 2, 4, 8, 16, 41, 82, 109, 164, 218, 257, 328, 436, 514, 656, 872, 1028, 1744, 2056, 4112, 4469, 8938, 10537, 17876, 21074, 28013, 35752, 42148, 56026, 71504, 84296, 112052, 168592, 224104, 448208, 1148533, 2297066, 4594132, 9188264, 18376528]

約数ペア:

[(1, 18376528), (2, 9188264), (4, 4594132), (8, 2297066), (16, 1148533), (41, 448208), (82, 224104), (109, 168592), (164, 112052), (218, 84296), (257, 71504), (328, 56026), (436, 42148), (514, 35752), (656, 28013), (872, 21074), (1028, 17876), (1744, 10537), (2056, 8938), (4112, 4469)]