18639648

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1138

約数の個数: 72

約数和(自身を含む): 53926236

約数和(自身を除く): 35286588

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 96, 122, 144, 183, 244, 288, 366, 488, 549, 732, 976, 1061, 1098, 1464, 1952, 2122, 2196, 2928, 3183, 4244, 4392, 5856, 6366, 8488, 8784, 9549, 12732, 16976, 17568, 19098, 25464, 33952, 38196, 50928, 64721, 76392, 101856, 129442, 152784, 194163, 258884, 305568, 388326, 517768, 582489, 776652, 1035536, 1164978, 1553304, 2071072, 2329956, 3106608, 4659912, 6213216, 9319824, 18639648]

約数ペア:

[(1, 18639648), (2, 9319824), (3, 6213216), (4, 4659912), (6, 3106608), (8, 2329956), (9, 2071072), (12, 1553304), (16, 1164978), (18, 1035536), (24, 776652), (32, 582489), (36, 517768), (48, 388326), (61, 305568), (72, 258884), (96, 194163), (122, 152784), (144, 129442), (183, 101856), (244, 76392), (288, 64721), (366, 50928), (488, 38196), (549, 33952), (732, 25464), (976, 19098), (1061, 17568), (1098, 16976), (1464, 12732), (1952, 9549), (2122, 8784), (2196, 8488), (2928, 6366), (3183, 5856), (4244, 4392)]