19385478

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:762

約数の個数: 72

約数和(自身を含む): 50506560

約数和(自身を除く): 31121082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 93, 98, 126, 147, 186, 217, 279, 294, 434, 441, 558, 651, 709, 882, 1302, 1418, 1519, 1953, 2127, 3038, 3906, 4254, 4557, 4963, 6381, 9114, 9926, 12762, 13671, 14889, 21979, 27342, 29778, 34741, 43958, 44667, 65937, 69482, 89334, 104223, 131874, 153853, 197811, 208446, 307706, 312669, 395622, 461559, 625338, 923118, 1076971, 1384677, 2153942, 2769354, 3230913, 6461826, 9692739, 19385478]

約数ペア:

[(1, 19385478), (2, 9692739), (3, 6461826), (6, 3230913), (7, 2769354), (9, 2153942), (14, 1384677), (18, 1076971), (21, 923118), (31, 625338), (42, 461559), (49, 395622), (62, 312669), (63, 307706), (93, 208446), (98, 197811), (126, 153853), (147, 131874), (186, 104223), (217, 89334), (279, 69482), (294, 65937), (434, 44667), (441, 43958), (558, 34741), (651, 29778), (709, 27342), (882, 21979), (1302, 14889), (1418, 13671), (1519, 12762), (1953, 9926), (2127, 9114), (3038, 6381), (3906, 4963), (4254, 4557)]