19707008

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5309}}^1$

素因数の和:5352

約数の個数: 32

約数和(自身を含む): 40621500

約数和(自身を除く): 20914492

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5309, 10618, 21236, 42472, 84944, 153961, 169888, 307922, 339776, 615844, 679552, 1231688, 2463376, 4926752, 9853504, 19707008]

約数ペア:

[(1, 19707008), (2, 9853504), (4, 4926752), (8, 2463376), (16, 1231688), (29, 679552), (32, 615844), (58, 339776), (64, 307922), (116, 169888), (128, 153961), (232, 84944), (464, 42472), (928, 21236), (1856, 10618), (3712, 5309)]