19805144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4493}}^1$

素因数の和:4547

約数の個数: 32

約数和(自身を含む): 40446000

約数和(自身を除く): 20640856

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4493, 8986, 17972, 35944, 85367, 130297, 170734, 260594, 341468, 521188, 682936, 1042376, 2475643, 4951286, 9902572, 19805144]

約数ペア:

[(1, 19805144), (2, 9902572), (4, 4951286), (8, 2475643), (19, 1042376), (29, 682936), (38, 521188), (58, 341468), (76, 260594), (116, 170734), (152, 130297), (232, 85367), (551, 35944), (1102, 17972), (2204, 8986), (4408, 4493)]