19847696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112771}}^1$

素因数の和:112790

約数の個数: 20

約数和(自身を含む): 41951184

約数和(自身を除く): 22103488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112771, 225542, 451084, 902168, 1240481, 1804336, 2480962, 4961924, 9923848, 19847696]

約数ペア:

[(1, 19847696), (2, 9923848), (4, 4961924), (8, 2480962), (11, 1804336), (16, 1240481), (22, 902168), (44, 451084), (88, 225542), (176, 112771)]