19821736

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20477}}^1$

素因数の和:20505

約数の個数: 24

約数和(自身を含む): 40853610

約数和(自身を除く): 21031874

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20477, 40954, 81908, 163816, 225247, 450494, 900988, 1801976, 2477717, 4955434, 9910868, 19821736]

約数ペア:

[(1, 19821736), (2, 9910868), (4, 4955434), (8, 2477717), (11, 1801976), (22, 900988), (44, 450494), (88, 225247), (121, 163816), (242, 81908), (484, 40954), (968, 20477)]