19925703

素因数分解:

$3^3\times 7^2\times {\mathrm{15061}}^1$

素因数の和:15084

約数の個数: 24

約数和(自身を含む): 34341360

約数和(自身を除く): 14415657

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15061, 45183, 105427, 135549, 316281, 406647, 737989, 948843, 2213967, 2846529, 6641901, 19925703]

約数ペア:

[(1, 19925703), (3, 6641901), (7, 2846529), (9, 2213967), (21, 948843), (27, 737989), (49, 406647), (63, 316281), (147, 135549), (189, 105427), (441, 45183), (1323, 15061)]