18273555

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23887}}^1$

素因数の和:23915

約数の個数: 24

約数和(自身を含む): 33538752

約数和(自身を除く): 15265197

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 23887, 71661, 119435, 214983, 358305, 406079, 1074915, 1218237, 2030395, 3654711, 6091185, 18273555]

約数ペア:

[(1, 18273555), (3, 6091185), (5, 3654711), (9, 2030395), (15, 1218237), (17, 1074915), (45, 406079), (51, 358305), (85, 214983), (153, 119435), (255, 71661), (765, 23887)]