19531288

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8111}}^1$

素因数の和:8167

約数の個数: 32

約数和(自身を含む): 42831360

約数和(自身を除く): 23300072

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8111, 16222, 32444, 56777, 64888, 113554, 227108, 348773, 454216, 697546, 1395092, 2441411, 2790184, 4882822, 9765644, 19531288]

約数ペア:

[(1, 19531288), (2, 9765644), (4, 4882822), (7, 2790184), (8, 2441411), (14, 1395092), (28, 697546), (43, 454216), (56, 348773), (86, 227108), (172, 113554), (301, 64888), (344, 56777), (602, 32444), (1204, 16222), (2408, 8111)]