19899596

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1825

約数の個数: 24

約数和(自身を含む): 36197280

約数和(自身を除く): 16297684

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 284, 1709, 2911, 3418, 5822, 6836, 11644, 70069, 121339, 140138, 242678, 280276, 485356, 4974899, 9949798, 19899596]

約数ペア:

[(1, 19899596), (2, 9949798), (4, 4974899), (41, 485356), (71, 280276), (82, 242678), (142, 140138), (164, 121339), (284, 70069), (1709, 11644), (2911, 6836), (3418, 5822)]