19573504

素因数分解:

$2^8\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:660

約数の個数: 36

約数和(自身を含む): 39400144

約数和(自身を除く): 19826640

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 487, 628, 974, 1256, 1948, 2512, 3896, 5024, 7792, 10048, 15584, 20096, 31168, 40192, 62336, 76459, 124672, 152918, 305836, 611672, 1223344, 2446688, 4893376, 9786752, 19573504]

約数ペア:

[(1, 19573504), (2, 9786752), (4, 4893376), (8, 2446688), (16, 1223344), (32, 611672), (64, 305836), (128, 152918), (157, 124672), (256, 76459), (314, 62336), (487, 40192), (628, 31168), (974, 20096), (1256, 15584), (1948, 10048), (2512, 7792), (3896, 5024)]