19515440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34849}}^1$

素因数の和:34869

約数の個数: 40

約数和(自身を含む): 51856800

約数和(自身を除く): 32341360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34849, 69698, 139396, 174245, 243943, 278792, 348490, 487886, 557584, 696980, 975772, 1219715, 1393960, 1951544, 2439430, 2787920, 3903088, 4878860, 9757720, 19515440]

約数ペア:

[(1, 19515440), (2, 9757720), (4, 4878860), (5, 3903088), (7, 2787920), (8, 2439430), (10, 1951544), (14, 1393960), (16, 1219715), (20, 975772), (28, 696980), (35, 557584), (40, 487886), (56, 348490), (70, 278792), (80, 243943), (112, 174245), (140, 139396), (280, 69698), (560, 34849)]