18973215

素因数分解:

$3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1439}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 14048865

約数列:

[1, 3, 5, 9, 15, 45, 293, 879, 1439, 1465, 2637, 4317, 4395, 7195, 12951, 13185, 21585, 64755, 421627, 1264881, 2108135, 3794643, 6324405, 18973215]

約数ペア:

[(1, 18973215), (3, 6324405), (5, 3794643), (9, 2108135), (15, 1264881), (45, 421627), (293, 64755), (879, 21585), (1439, 13185), (1465, 12951), (2637, 7195), (4317, 4395)]