19901847256

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{106921}}^1$

素因数の和:107419

約数の個数: 32

約数和(自身を含む): 38107000800

約数和(自身を除く): 18205153544

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 439, 878, 1756, 3512, 23267, 46534, 93068, 106921, 186136, 213842, 427684, 855368, 5666813, 11333626, 22667252, 45334504, 46938319, 93876638, 187753276, 375506552, 2487730907, 4975461814, 9950923628, 19901847256]

約数ペア:

[(1, 19901847256), (2, 9950923628), (4, 4975461814), (8, 2487730907), (53, 375506552), (106, 187753276), (212, 93876638), (424, 46938319), (439, 45334504), (878, 22667252), (1756, 11333626), (3512, 5666813), (23267, 855368), (46534, 427684), (93068, 213842), (106921, 186136)]