19553776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{461}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 41591088

約数和(自身を除く): 22037312

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 241, 461, 482, 922, 964, 1844, 1928, 2651, 3688, 3856, 5071, 5302, 7376, 10142, 10604, 20284, 21208, 40568, 42416, 81136, 111101, 222202, 444404, 888808, 1222111, 1777616, 2444222, 4888444, 9776888, 19553776]

約数ペア:

[(1, 19553776), (2, 9776888), (4, 4888444), (8, 2444222), (11, 1777616), (16, 1222111), (22, 888808), (44, 444404), (88, 222202), (176, 111101), (241, 81136), (461, 42416), (482, 40568), (922, 21208), (964, 20284), (1844, 10604), (1928, 10142), (2651, 7376), (3688, 5302), (3856, 5071)]