19676769

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55117}}^1$

素因数の和:55144

約数の個数: 16

約数和(自身を含む): 31747968

約数和(自身を除く): 12071199

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55117, 165351, 385819, 936989, 1157457, 2810967, 6558923, 19676769]

約数ペア:

[(1, 19676769), (3, 6558923), (7, 2810967), (17, 1157457), (21, 936989), (51, 385819), (119, 165351), (357, 55117)]