19208060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12157}}^1$

素因数の和:12245

約数の個数: 24

約数和(自身を含む): 40850880

約数和(自身を除く): 21642820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12157, 24314, 48628, 60785, 121570, 243140, 960403, 1920806, 3841612, 4802015, 9604030, 19208060]

約数ペア:

[(1, 19208060), (2, 9604030), (4, 4802015), (5, 3841612), (10, 1920806), (20, 960403), (79, 243140), (158, 121570), (316, 60785), (395, 48628), (790, 24314), (1580, 12157)]