18388872

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{2633}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 50335740

約数和(自身を除く): 31946868

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 2633, 3492, 5266, 6984, 7899, 10532, 15798, 21064, 23697, 31596, 47394, 63192, 94788, 189576, 255401, 510802, 766203, 1021604, 1532406, 2043208, 2298609, 3064812, 4597218, 6129624, 9194436, 18388872]

約数ペア:

[(1, 18388872), (2, 9194436), (3, 6129624), (4, 4597218), (6, 3064812), (8, 2298609), (9, 2043208), (12, 1532406), (18, 1021604), (24, 766203), (36, 510802), (72, 255401), (97, 189576), (194, 94788), (291, 63192), (388, 47394), (582, 31596), (776, 23697), (873, 21064), (1164, 15798), (1746, 10532), (2328, 7899), (2633, 6984), (3492, 5266)]