19727364

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 47743808

約数和(自身を除く): 28016444

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 157, 222, 283, 314, 444, 471, 566, 628, 849, 942, 1132, 1698, 1884, 3396, 5809, 10471, 11618, 17427, 20942, 23236, 31413, 34854, 41884, 44431, 62826, 69708, 88862, 125652, 133293, 177724, 266586, 533172, 1643947, 3287894, 4931841, 6575788, 9863682, 19727364]

約数ペア:

[(1, 19727364), (2, 9863682), (3, 6575788), (4, 4931841), (6, 3287894), (12, 1643947), (37, 533172), (74, 266586), (111, 177724), (148, 133293), (157, 125652), (222, 88862), (283, 69708), (314, 62826), (444, 44431), (471, 41884), (566, 34854), (628, 31413), (849, 23236), (942, 20942), (1132, 17427), (1698, 11618), (1884, 10471), (3396, 5809)]