19943336

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1597}}^1$

素因数の和:1833

約数の個数: 32

約数和(自身を含む): 42954240

約数和(自身を除く): 23010904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1597, 1784, 3122, 3194, 6244, 6388, 11179, 12488, 12776, 22358, 44716, 89432, 356131, 712262, 1424524, 2492917, 2849048, 4985834, 9971668, 19943336]

約数ペア:

[(1, 19943336), (2, 9971668), (4, 4985834), (7, 2849048), (8, 2492917), (14, 1424524), (28, 712262), (56, 356131), (223, 89432), (446, 44716), (892, 22358), (1561, 12776), (1597, 12488), (1784, 11179), (3122, 6388), (3194, 6244)]