19943948

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 35574000

約数和(自身を除く): 15630052

約数列:

[1, 2, 4, 109, 149, 218, 298, 307, 436, 596, 614, 1228, 16241, 32482, 33463, 45743, 64964, 66926, 91486, 133852, 182972, 4985987, 9971974, 19943948]

約数ペア:

[(1, 19943948), (2, 9971974), (4, 4985987), (109, 182972), (149, 133852), (218, 91486), (298, 66926), (307, 64964), (436, 45743), (596, 33463), (614, 32482), (1228, 16241)]