18533270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 39275280

約数和(自身を除く): 20742010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 347, 490, 545, 694, 763, 1090, 1526, 1735, 2429, 3470, 3815, 4858, 5341, 7630, 10682, 12145, 17003, 24290, 26705, 34006, 37823, 53410, 75646, 85015, 170030, 189115, 264761, 378230, 529522, 1323805, 1853327, 2647610, 3706654, 9266635, 18533270]

約数ペア:

[(1, 18533270), (2, 9266635), (5, 3706654), (7, 2647610), (10, 1853327), (14, 1323805), (35, 529522), (49, 378230), (70, 264761), (98, 189115), (109, 170030), (218, 85015), (245, 75646), (347, 53410), (490, 37823), (545, 34006), (694, 26705), (763, 24290), (1090, 17003), (1526, 12145), (1735, 10682), (2429, 7630), (3470, 5341), (3815, 4858)]