18261992

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3929}}^1$

素因数の和:4025

約数の個数: 32

約数和(自身を含む): 39614400

約数和(自身を除く): 21352408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 3929, 4648, 7858, 15716, 27503, 31432, 55006, 110012, 220024, 326107, 652214, 1304428, 2282749, 2608856, 4565498, 9130996, 18261992]

約数ペア:

[(1, 18261992), (2, 9130996), (4, 4565498), (7, 2608856), (8, 2282749), (14, 1304428), (28, 652214), (56, 326107), (83, 220024), (166, 110012), (332, 55006), (581, 31432), (664, 27503), (1162, 15716), (2324, 7858), (3929, 4648)]