19904652

素因数分解:

$2^2\times 3^2\times {\mathrm{307}}^1\times {\mathrm{1801}}^1$

素因数の和:2118

約数の個数: 36

約数和(自身を含む): 50506456

約数和(自身を除く): 30601804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 307, 614, 921, 1228, 1801, 1842, 2763, 3602, 3684, 5403, 5526, 7204, 10806, 11052, 16209, 21612, 32418, 64836, 552907, 1105814, 1658721, 2211628, 3317442, 4976163, 6634884, 9952326, 19904652]

約数ペア:

[(1, 19904652), (2, 9952326), (3, 6634884), (4, 4976163), (6, 3317442), (9, 2211628), (12, 1658721), (18, 1105814), (36, 552907), (307, 64836), (614, 32418), (921, 21612), (1228, 16209), (1801, 11052), (1842, 10806), (2763, 7204), (3602, 5526), (3684, 5403)]