19380328

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20021}}^1$

素因数の和:20049

約数の個数: 24

約数和(自身を含む): 39943890

約数和(自身を除く): 20563562

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20021, 40042, 80084, 160168, 220231, 440462, 880924, 1761848, 2422541, 4845082, 9690164, 19380328]

約数ペア:

[(1, 19380328), (2, 9690164), (4, 4845082), (8, 2422541), (11, 1761848), (22, 880924), (44, 440462), (88, 220231), (121, 160168), (242, 80084), (484, 40042), (968, 20021)]