18271288

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3931}}^1$

素因数の和:4027

約数の個数: 32

約数和(自身を含む): 39634560

約数和(自身を除く): 21363272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 3931, 4648, 7862, 15724, 27517, 31448, 55034, 110068, 220136, 326273, 652546, 1305092, 2283911, 2610184, 4567822, 9135644, 18271288]

約数ペア:

[(1, 18271288), (2, 9135644), (4, 4567822), (7, 2610184), (8, 2283911), (14, 1305092), (28, 652546), (56, 326273), (83, 220136), (166, 110068), (332, 55034), (581, 31448), (664, 27517), (1162, 15724), (2324, 7862), (3931, 4648)]