19871776

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{36529}}^1$

素因数の和:36556

約数の個数: 24

約数和(自身を含む): 41425020

約数和(自身を除く): 21553244

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 36529, 73058, 146116, 292232, 584464, 620993, 1168928, 1241986, 2483972, 4967944, 9935888, 19871776]

約数ペア:

[(1, 19871776), (2, 9935888), (4, 4967944), (8, 2483972), (16, 1241986), (17, 1168928), (32, 620993), (34, 584464), (68, 292232), (136, 146116), (272, 73058), (544, 36529)]