19743315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 13641645

約数列:

[1, 3, 5, 15, 23, 69, 89, 115, 267, 345, 445, 643, 1335, 1929, 2047, 3215, 6141, 9645, 10235, 14789, 30705, 44367, 57227, 73945, 171681, 221835, 286135, 858405, 1316221, 3948663, 6581105, 19743315]

約数ペア:

[(1, 19743315), (3, 6581105), (5, 3948663), (15, 1316221), (23, 858405), (69, 286135), (89, 221835), (115, 171681), (267, 73945), (345, 57227), (445, 44367), (643, 30705), (1335, 14789), (1929, 10235), (2047, 9645), (3215, 6141)]