19971052

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5591}}^1$

素因数の和:5661

約数の個数: 24

約数和(自身を含む): 37578240

約数和(自身を除く): 17607188

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 5591, 11182, 22364, 106229, 212458, 262777, 424916, 525554, 1051108, 4992763, 9985526, 19971052]

約数ペア:

[(1, 19971052), (2, 9985526), (4, 4992763), (19, 1051108), (38, 525554), (47, 424916), (76, 262777), (94, 212458), (188, 106229), (893, 22364), (1786, 11182), (3572, 5591)]