19503648

素因数分解:

$2^5\times 3^2\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:538

約数の個数: 72

約数和(自身を含む): 55891836

約数和(自身を除く): 36388188

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 241, 281, 288, 482, 562, 723, 843, 964, 1124, 1446, 1686, 1928, 2169, 2248, 2529, 2892, 3372, 3856, 4338, 4496, 5058, 5784, 6744, 7712, 8676, 8992, 10116, 11568, 13488, 17352, 20232, 23136, 26976, 34704, 40464, 67721, 69408, 80928, 135442, 203163, 270884, 406326, 541768, 609489, 812652, 1083536, 1218978, 1625304, 2167072, 2437956, 3250608, 4875912, 6501216, 9751824, 19503648]

約数ペア:

[(1, 19503648), (2, 9751824), (3, 6501216), (4, 4875912), (6, 3250608), (8, 2437956), (9, 2167072), (12, 1625304), (16, 1218978), (18, 1083536), (24, 812652), (32, 609489), (36, 541768), (48, 406326), (72, 270884), (96, 203163), (144, 135442), (241, 80928), (281, 69408), (288, 67721), (482, 40464), (562, 34704), (723, 26976), (843, 23136), (964, 20232), (1124, 17352), (1446, 13488), (1686, 11568), (1928, 10116), (2169, 8992), (2248, 8676), (2529, 7712), (2892, 6744), (3372, 5784), (3856, 5058), (4338, 4496)]