16818950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 33908544

約数和(自身を除く): 17089594

約数列:

[1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 170, 235, 421, 425, 470, 799, 842, 850, 1175, 1598, 2105, 2350, 3995, 4210, 7157, 7990, 10525, 14314, 19787, 19975, 21050, 35785, 39574, 39950, 71570, 98935, 178925, 197870, 336379, 357850, 494675, 672758, 989350, 1681895, 3363790, 8409475, 16818950]

約数ペア:

[(1, 16818950), (2, 8409475), (5, 3363790), (10, 1681895), (17, 989350), (25, 672758), (34, 494675), (47, 357850), (50, 336379), (85, 197870), (94, 178925), (170, 98935), (235, 71570), (421, 39950), (425, 39574), (470, 35785), (799, 21050), (842, 19975), (850, 19787), (1175, 14314), (1598, 10525), (2105, 7990), (2350, 7157), (3995, 4210)]