18849243

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 31256064

約数和(自身を除く): 12406821

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1427, 1887, 4281, 4403, 9989, 13209, 24259, 29967, 52799, 72777, 158397, 169813, 369593, 509439, 897583, 1108779, 2692749, 6283081, 18849243]

約数ペア:

[(1, 18849243), (3, 6283081), (7, 2692749), (17, 1108779), (21, 897583), (37, 509439), (51, 369593), (111, 169813), (119, 158397), (259, 72777), (357, 52799), (629, 29967), (777, 24259), (1427, 13209), (1887, 9989), (4281, 4403)]