19213974

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 45204432

約数和(自身を除く): 25990458

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 157, 234, 314, 471, 523, 942, 1046, 1413, 1569, 2041, 2826, 3138, 4082, 4707, 6123, 6799, 9414, 12246, 13598, 18369, 20397, 36738, 40794, 61191, 82111, 122382, 164222, 246333, 492666, 738999, 1067443, 1477998, 2134886, 3202329, 6404658, 9606987, 19213974]

約数ペア:

[(1, 19213974), (2, 9606987), (3, 6404658), (6, 3202329), (9, 2134886), (13, 1477998), (18, 1067443), (26, 738999), (39, 492666), (78, 246333), (117, 164222), (157, 122382), (234, 82111), (314, 61191), (471, 40794), (523, 36738), (942, 20397), (1046, 18369), (1413, 13598), (1569, 12246), (2041, 9414), (2826, 6799), (3138, 6123), (4082, 4707)]