19080556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7109}}^1$

素因数の和:7185

約数の個数: 24

約数和(自身を含む): 37028880

約数和(自身を除く): 17948324

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7109, 14218, 28436, 78199, 156398, 312796, 433649, 867298, 1734596, 4770139, 9540278, 19080556]

約数ペア:

[(1, 19080556), (2, 9540278), (4, 4770139), (11, 1734596), (22, 867298), (44, 433649), (61, 312796), (122, 156398), (244, 78199), (671, 28436), (1342, 14218), (2684, 7109)]