11969180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8429}}^1$

素因数の和:8509

約数の個数: 24

約数和(自身を含む): 25492320

約数和(自身を除く): 13523140

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8429, 16858, 33716, 42145, 84290, 168580, 598459, 1196918, 2393836, 2992295, 5984590, 11969180]

約数ペア:

[(1, 11969180), (2, 5984590), (4, 2992295), (5, 2393836), (10, 1196918), (20, 598459), (71, 168580), (142, 84290), (284, 42145), (355, 33716), (710, 16858), (1420, 8429)]