18502638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1433

約数の個数: 64

約数和(自身を含む): 47761920

約数和(自身を除く): 29259282

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 58, 66, 77, 87, 154, 174, 203, 231, 319, 406, 462, 609, 638, 957, 1218, 1381, 1914, 2233, 2762, 4143, 4466, 6699, 8286, 9667, 13398, 15191, 19334, 29001, 30382, 40049, 45573, 58002, 80098, 91146, 106337, 120147, 212674, 240294, 280343, 319011, 440539, 560686, 638022, 841029, 881078, 1321617, 1682058, 2643234, 3083773, 6167546, 9251319, 18502638]

約数ペア:

[(1, 18502638), (2, 9251319), (3, 6167546), (6, 3083773), (7, 2643234), (11, 1682058), (14, 1321617), (21, 881078), (22, 841029), (29, 638022), (33, 560686), (42, 440539), (58, 319011), (66, 280343), (77, 240294), (87, 212674), (154, 120147), (174, 106337), (203, 91146), (231, 80098), (319, 58002), (406, 45573), (462, 40049), (609, 30382), (638, 29001), (957, 19334), (1218, 15191), (1381, 13398), (1914, 9667), (2233, 8286), (2762, 6699), (4143, 4466)]