19787166

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17449}}^1$

素因数の和:17470

約数の個数: 40

約数和(自身を含む): 50674800

約数和(自身を除く): 30887634

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 17449, 34898, 52347, 104694, 122143, 157041, 244286, 314082, 366429, 471123, 732858, 942246, 1099287, 1413369, 2198574, 2826738, 3297861, 6595722, 9893583, 19787166]

約数ペア:

[(1, 19787166), (2, 9893583), (3, 6595722), (6, 3297861), (7, 2826738), (9, 2198574), (14, 1413369), (18, 1099287), (21, 942246), (27, 732858), (42, 471123), (54, 366429), (63, 314082), (81, 244286), (126, 157041), (162, 122143), (189, 104694), (378, 52347), (567, 34898), (1134, 17449)]