19855476

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{1171}}^1$

素因数の和:1341

約数の個数: 48

約数和(自身を含む): 51849280

約数和(自身を除く): 31993804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1171, 1413, 1884, 2342, 2826, 3513, 4239, 4684, 5652, 7026, 8478, 10539, 14052, 16956, 21078, 31617, 42156, 63234, 126468, 183847, 367694, 551541, 735388, 1103082, 1654623, 2206164, 3309246, 4963869, 6618492, 9927738, 19855476]

約数ペア:

[(1, 19855476), (2, 9927738), (3, 6618492), (4, 4963869), (6, 3309246), (9, 2206164), (12, 1654623), (18, 1103082), (27, 735388), (36, 551541), (54, 367694), (108, 183847), (157, 126468), (314, 63234), (471, 42156), (628, 31617), (942, 21078), (1171, 16956), (1413, 14052), (1884, 10539), (2342, 8478), (2826, 7026), (3513, 5652), (4239, 4684)]