19578528

素因数分解:

$2^5\times 3^2\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:606

約数の個数: 72

約数和(自身を含む): 56160468

約数和(自身を除く): 36581940

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 157, 288, 314, 433, 471, 628, 866, 942, 1256, 1299, 1413, 1732, 1884, 2512, 2598, 2826, 3464, 3768, 3897, 5024, 5196, 5652, 6928, 7536, 7794, 10392, 11304, 13856, 15072, 15588, 20784, 22608, 31176, 41568, 45216, 62352, 67981, 124704, 135962, 203943, 271924, 407886, 543848, 611829, 815772, 1087696, 1223658, 1631544, 2175392, 2447316, 3263088, 4894632, 6526176, 9789264, 19578528]

約数ペア:

[(1, 19578528), (2, 9789264), (3, 6526176), (4, 4894632), (6, 3263088), (8, 2447316), (9, 2175392), (12, 1631544), (16, 1223658), (18, 1087696), (24, 815772), (32, 611829), (36, 543848), (48, 407886), (72, 271924), (96, 203943), (144, 135962), (157, 124704), (288, 67981), (314, 62352), (433, 45216), (471, 41568), (628, 31176), (866, 22608), (942, 20784), (1256, 15588), (1299, 15072), (1413, 13856), (1732, 11304), (1884, 10392), (2512, 7794), (2598, 7536), (2826, 6928), (3464, 5652), (3768, 5196), (3897, 5024)]