19935340

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5507}}^1$

素因数の和:5697

約数の個数: 24

約数和(自身を含む): 42103152

約数和(自身を除く): 22167812

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 5507, 11014, 22028, 27535, 55070, 110140, 996767, 1993534, 3987068, 4983835, 9967670, 19935340]

約数ペア:

[(1, 19935340), (2, 9967670), (4, 4983835), (5, 3987068), (10, 1993534), (20, 996767), (181, 110140), (362, 55070), (724, 27535), (905, 22028), (1810, 11014), (3620, 5507)]