18993645

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38371}}^1$

素因数の和:38393

約数の個数: 24

約数和(自身を含む): 35916192

約数和(自身を除く): 16922547

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 38371, 115113, 191855, 345339, 422081, 575565, 1266243, 1726695, 2110405, 3798729, 6331215, 18993645]

約数ペア:

[(1, 18993645), (3, 6331215), (5, 3798729), (9, 2110405), (11, 1726695), (15, 1266243), (33, 575565), (45, 422081), (55, 345339), (99, 191855), (165, 115113), (495, 38371)]