19786968

素因数分解:

$2^3\times 3^2\times {\mathrm{199}}^1\times {\mathrm{1381}}^1$

素因数の和:1592

約数の個数: 48

約数和(自身を含む): 53898000

約数和(自身を除く): 34111032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 199, 398, 597, 796, 1194, 1381, 1592, 1791, 2388, 2762, 3582, 4143, 4776, 5524, 7164, 8286, 11048, 12429, 14328, 16572, 24858, 33144, 49716, 99432, 274819, 549638, 824457, 1099276, 1648914, 2198552, 2473371, 3297828, 4946742, 6595656, 9893484, 19786968]

約数ペア:

[(1, 19786968), (2, 9893484), (3, 6595656), (4, 4946742), (6, 3297828), (8, 2473371), (9, 2198552), (12, 1648914), (18, 1099276), (24, 824457), (36, 549638), (72, 274819), (199, 99432), (398, 49716), (597, 33144), (796, 24858), (1194, 16572), (1381, 14328), (1592, 12429), (1791, 11048), (2388, 8286), (2762, 7164), (3582, 5524), (4143, 4776)]