18803385

素因数分解:

$3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1091}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 32707584

約数和(自身を除く): 13904199

約数列:

[1, 3, 5, 9, 15, 45, 383, 1091, 1149, 1915, 3273, 3447, 5455, 5745, 9819, 16365, 17235, 49095, 417853, 1253559, 2089265, 3760677, 6267795, 18803385]

約数ペア:

[(1, 18803385), (3, 6267795), (5, 3760677), (9, 2089265), (15, 1253559), (45, 417853), (383, 49095), (1091, 17235), (1149, 16365), (1915, 9819), (3273, 5745), (3447, 5455)]