18934719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2671}}^1$

素因数の和:2830

約数の個数: 16

約数和(自身を含む): 26933760

約数和(自身を除く): 7999041

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2671, 7089, 8013, 45407, 136221, 371269, 1113807, 6311573, 18934719]

約数ペア:

[(1, 18934719), (3, 6311573), (17, 1113807), (51, 371269), (139, 136221), (417, 45407), (2363, 8013), (2671, 7089)]