2019917995

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1\times {\mathrm{5639}}^1$

素因数の和:7986

約数の個数: 16

約数和(自身を含む): 2503618560

約数和(自身を除く): 483700565

約数列:

[1, 5, 31, 155, 2311, 5639, 11555, 28195, 71641, 174809, 358205, 874045, 13031729, 65158645, 403983599, 2019917995]

約数ペア:

[(1, 2019917995), (5, 403983599), (31, 65158645), (155, 13031729), (2311, 874045), (5639, 358205), (11555, 174809), (28195, 71641)]