19420272

素因数分解:

$2^4\times 3^2\times {\mathrm{157}}^1\times {\mathrm{859}}^1$

素因数の和:1030

約数の個数: 60

約数和(自身を含む): 54759640

約数和(自身を除く): 35339368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 157, 314, 471, 628, 859, 942, 1256, 1413, 1718, 1884, 2512, 2577, 2826, 3436, 3768, 5154, 5652, 6872, 7536, 7731, 10308, 11304, 13744, 15462, 20616, 22608, 30924, 41232, 61848, 123696, 134863, 269726, 404589, 539452, 809178, 1078904, 1213767, 1618356, 2157808, 2427534, 3236712, 4855068, 6473424, 9710136, 19420272]

約数ペア:

[(1, 19420272), (2, 9710136), (3, 6473424), (4, 4855068), (6, 3236712), (8, 2427534), (9, 2157808), (12, 1618356), (16, 1213767), (18, 1078904), (24, 809178), (36, 539452), (48, 404589), (72, 269726), (144, 134863), (157, 123696), (314, 61848), (471, 41232), (628, 30924), (859, 22608), (942, 20616), (1256, 15462), (1413, 13744), (1718, 11304), (1884, 10308), (2512, 7731), (2577, 7536), (2826, 6872), (3436, 5652), (3768, 5154)]