18817144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2879}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 19198856

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 2879, 3268, 5758, 6536, 11516, 23032, 54701, 109402, 123797, 218804, 247594, 437608, 495188, 990376, 2352143, 4704286, 9408572, 18817144]

約数ペア:

[(1, 18817144), (2, 9408572), (4, 4704286), (8, 2352143), (19, 990376), (38, 495188), (43, 437608), (76, 247594), (86, 218804), (152, 123797), (172, 109402), (344, 54701), (817, 23032), (1634, 11516), (2879, 6536), (3268, 5758)]