18924471

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 28005120

約数和(自身を除く): 9080649

約数列:

[1, 3, 9, 101, 109, 191, 303, 327, 573, 909, 981, 1719, 11009, 19291, 20819, 33027, 57873, 62457, 99081, 173619, 187371, 2102719, 6308157, 18924471]

約数ペア:

[(1, 18924471), (3, 6308157), (9, 2102719), (101, 187371), (109, 173619), (191, 99081), (303, 62457), (327, 57873), (573, 33027), (909, 20819), (981, 19291), (1719, 11009)]