19853678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1867}}^1$

素因数の和:2291

約数の個数: 16

約数和(自身を含む): 32166960

約数和(自身を除く): 12313282

約数列:

[1, 2, 13, 26, 409, 818, 1867, 3734, 5317, 10634, 24271, 48542, 763603, 1527206, 9926839, 19853678]

約数ペア:

[(1, 19853678), (2, 9926839), (13, 1527206), (26, 763603), (409, 48542), (818, 24271), (1867, 10634), (3734, 5317)]