18918016

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11369}}^1$

素因数の和:11396

約数の個数: 32

約数和(自身を含む): 40590900

約数和(自身を除く): 21672884

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11369, 22738, 45476, 90952, 147797, 181904, 295594, 363808, 591188, 727616, 1182376, 1455232, 2364752, 4729504, 9459008, 18918016]

約数ペア:

[(1, 18918016), (2, 9459008), (4, 4729504), (8, 2364752), (13, 1455232), (16, 1182376), (26, 727616), (32, 591188), (52, 363808), (64, 295594), (104, 181904), (128, 147797), (208, 90952), (416, 45476), (832, 22738), (1664, 11369)]