19490442

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 39783744

約数和(自身を除く): 20293302

約数列:

[1, 2, 3, 6, 131, 137, 181, 262, 274, 362, 393, 411, 543, 786, 822, 1086, 17947, 23711, 24797, 35894, 47422, 49594, 53841, 71133, 74391, 107682, 142266, 148782, 3248407, 6496814, 9745221, 19490442]

約数ペア:

[(1, 19490442), (2, 9745221), (3, 6496814), (6, 3248407), (131, 148782), (137, 142266), (181, 107682), (262, 74391), (274, 71133), (362, 53841), (393, 49594), (411, 47422), (543, 35894), (786, 24797), (822, 23711), (1086, 17947)]