19894552

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{383}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 18628328

約数列:

[1, 2, 4, 8, 43, 86, 151, 172, 302, 344, 383, 604, 766, 1208, 1532, 3064, 6493, 12986, 16469, 25972, 32938, 51944, 57833, 65876, 115666, 131752, 231332, 462664, 2486819, 4973638, 9947276, 19894552]

約数ペア:

[(1, 19894552), (2, 9947276), (4, 4973638), (8, 2486819), (43, 462664), (86, 231332), (151, 131752), (172, 115666), (302, 65876), (344, 57833), (383, 51944), (604, 32938), (766, 25972), (1208, 16469), (1532, 12986), (3064, 6493)]