18693075

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5303}}^1$

素因数の和:5363

約数の個数: 24

約数和(自身を含む): 31569408

約数和(自身を除く): 12876333

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5303, 15909, 26515, 79545, 132575, 249241, 397725, 747723, 1246205, 3738615, 6231025, 18693075]

約数ペア:

[(1, 18693075), (3, 6231025), (5, 3738615), (15, 1246205), (25, 747723), (47, 397725), (75, 249241), (141, 132575), (235, 79545), (705, 26515), (1175, 15909), (3525, 5303)]