19950273

素因数分解:

$3^3\times 7^1\times {\mathrm{105557}}^1$

素因数の和:105573

約数の個数: 16

約数和(自身を含む): 33778560

約数和(自身を除く): 13828287

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 105557, 316671, 738899, 950013, 2216697, 2850039, 6650091, 19950273]

約数ペア:

[(1, 19950273), (3, 6650091), (7, 2850039), (9, 2216697), (21, 950013), (27, 738899), (63, 316671), (189, 105557)]