18822165

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 31829760

約数和(自身を除く): 13007595

約数列:

[1, 3, 5, 15, 23, 69, 89, 115, 267, 345, 445, 613, 1335, 1839, 2047, 3065, 6141, 9195, 10235, 14099, 30705, 42297, 54557, 70495, 163671, 211485, 272785, 818355, 1254811, 3764433, 6274055, 18822165]

約数ペア:

[(1, 18822165), (3, 6274055), (5, 3764433), (15, 1254811), (23, 818355), (69, 272785), (89, 211485), (115, 163671), (267, 70495), (345, 54557), (445, 42297), (613, 30705), (1335, 14099), (1839, 10235), (2047, 9195), (3065, 6141)]