19065921

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12437}}^1$

素因数の和:12520

約数の個数: 16

約数和(自身を含む): 29453184

約数和(自身を除く): 10387263

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12437, 37311, 87059, 261177, 907901, 2723703, 6355307, 19065921]

約数ペア:

[(1, 19065921), (3, 6355307), (7, 2723703), (21, 907901), (73, 261177), (219, 87059), (511, 37311), (1533, 12437)]