15915218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 27620352

約数和(自身を除く): 11705134

約数列:

[1, 2, 11, 22, 23, 46, 71, 142, 253, 443, 506, 781, 886, 1562, 1633, 3266, 4873, 9746, 10189, 17963, 20378, 31453, 35926, 62906, 112079, 224158, 345983, 691966, 723419, 1446838, 7957609, 15915218]

約数ペア:

[(1, 15915218), (2, 7957609), (11, 1446838), (22, 723419), (23, 691966), (46, 345983), (71, 224158), (142, 112079), (253, 62906), (443, 35926), (506, 31453), (781, 20378), (886, 17963), (1562, 10189), (1633, 9746), (3266, 4873)]