18807942798

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{16193}}^1$

素因数の和:16498

約数の個数: 64

約数和(自身を含む): 42371277120

約数和(自身を除く): 23563334322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 157, 274, 314, 411, 471, 822, 942, 1233, 1413, 2466, 2826, 3699, 4239, 7398, 8478, 16193, 21509, 32386, 43018, 48579, 64527, 97158, 129054, 145737, 193581, 291474, 387162, 437211, 580743, 874422, 1161486, 2218441, 2542301, 4436882, 5084602, 6655323, 7626903, 13310646, 15253806, 19965969, 22880709, 39931938, 45761418, 59897907, 68642127, 119795814, 137284254, 348295237, 696590474, 1044885711, 2089771422, 3134657133, 6269314266, 9403971399, 18807942798]

約数ペア:

[(1, 18807942798), (2, 9403971399), (3, 6269314266), (6, 3134657133), (9, 2089771422), (18, 1044885711), (27, 696590474), (54, 348295237), (137, 137284254), (157, 119795814), (274, 68642127), (314, 59897907), (411, 45761418), (471, 39931938), (822, 22880709), (942, 19965969), (1233, 15253806), (1413, 13310646), (2466, 7626903), (2826, 6655323), (3699, 5084602), (4239, 4436882), (7398, 2542301), (8478, 2218441), (16193, 1161486), (21509, 874422), (32386, 580743), (43018, 437211), (48579, 387162), (64527, 291474), (97158, 193581), (129054, 145737)]