19754174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2143}}^1$

素因数の和:2575

約数の個数: 16

約数和(自身を含む): 32417280

約数和(自身を除く): 12663106

約数列:

[1, 2, 11, 22, 419, 838, 2143, 4286, 4609, 9218, 23573, 47146, 897917, 1795834, 9877087, 19754174]

約数ペア:

[(1, 19754174), (2, 9877087), (11, 1795834), (22, 897917), (419, 47146), (838, 23573), (2143, 9218), (4286, 4609)]