20194193672

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{2547199}}^1$

素因数の和:2548196

約数の個数: 16

約数和(自身を含む): 37902336000

約数和(自身を除く): 17708142328

約数列:

[1, 2, 4, 8, 991, 1982, 3964, 7928, 2547199, 5094398, 10188796, 20377592, 2524274209, 5048548418, 10097096836, 20194193672]

約数ペア:

[(1, 20194193672), (2, 10097096836), (4, 5048548418), (8, 2524274209), (991, 20377592), (1982, 10188796), (3964, 5094398), (7928, 2547199)]