19357418

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:709

約数の個数: 16

約数和(自身を含む): 29484000

約数和(自身を除く): 10126582

約数列:

[1, 2, 139, 179, 278, 358, 389, 778, 24881, 49762, 54071, 69631, 108142, 139262, 9678709, 19357418]

約数ペア:

[(1, 19357418), (2, 9678709), (139, 139262), (179, 108142), (278, 69631), (358, 54071), (389, 49762), (778, 24881)]