19863536

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 50139648

約数和(自身を除く): 30276112

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 253, 308, 322, 368, 506, 616, 644, 701, 1012, 1232, 1288, 1402, 1771, 2024, 2576, 2804, 3542, 4048, 4907, 5608, 7084, 7711, 9814, 11216, 14168, 15422, 16123, 19628, 28336, 30844, 32246, 39256, 53977, 61688, 64492, 78512, 107954, 112861, 123376, 128984, 177353, 215908, 225722, 257968, 354706, 431816, 451444, 709412, 863632, 902888, 1241471, 1418824, 1805776, 2482942, 2837648, 4965884, 9931768, 19863536]

約数ペア:

[(1, 19863536), (2, 9931768), (4, 4965884), (7, 2837648), (8, 2482942), (11, 1805776), (14, 1418824), (16, 1241471), (22, 902888), (23, 863632), (28, 709412), (44, 451444), (46, 431816), (56, 354706), (77, 257968), (88, 225722), (92, 215908), (112, 177353), (154, 128984), (161, 123376), (176, 112861), (184, 107954), (253, 78512), (308, 64492), (322, 61688), (368, 53977), (506, 39256), (616, 32246), (644, 30844), (701, 28336), (1012, 19628), (1232, 16123), (1288, 15422), (1402, 14168), (1771, 11216), (2024, 9814), (2576, 7711), (2804, 7084), (3542, 5608), (4048, 4907)]