18066730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 38216448

約数和(自身を除く): 20149718

約数列:

[1, 2, 5, 10, 11, 22, 23, 37, 46, 55, 74, 110, 115, 185, 193, 230, 253, 370, 386, 407, 506, 814, 851, 965, 1265, 1702, 1930, 2035, 2123, 2530, 4070, 4246, 4255, 4439, 7141, 8510, 8878, 9361, 10615, 14282, 18722, 21230, 22195, 35705, 44390, 46805, 48829, 71410, 78551, 93610, 97658, 157102, 164243, 244145, 328486, 392755, 488290, 785510, 821215, 1642430, 1806673, 3613346, 9033365, 18066730]

約数ペア:

[(1, 18066730), (2, 9033365), (5, 3613346), (10, 1806673), (11, 1642430), (22, 821215), (23, 785510), (37, 488290), (46, 392755), (55, 328486), (74, 244145), (110, 164243), (115, 157102), (185, 97658), (193, 93610), (230, 78551), (253, 71410), (370, 48829), (386, 46805), (407, 44390), (506, 35705), (814, 22195), (851, 21230), (965, 18722), (1265, 14282), (1702, 10615), (1930, 9361), (2035, 8878), (2123, 8510), (2530, 7141), (4070, 4439), (4246, 4255)]