18804808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2203}}^1$

素因数の和:2317

約数の個数: 32

約数和(自身を含む): 38878560

約数和(自身を除く): 20073752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 2203, 4268, 4406, 8536, 8812, 17624, 24233, 48466, 96932, 193864, 213691, 427382, 854764, 1709528, 2350601, 4701202, 9402404, 18804808]

約数ペア:

[(1, 18804808), (2, 9402404), (4, 4701202), (8, 2350601), (11, 1709528), (22, 854764), (44, 427382), (88, 213691), (97, 193864), (194, 96932), (388, 48466), (776, 24233), (1067, 17624), (2134, 8812), (2203, 8536), (4268, 4406)]