19148703

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12491}}^1$

素因数の和:12574

約数の個数: 16

約数和(自身を含む): 29581056

約数和(自身を除く): 10432353

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12491, 37473, 87437, 262311, 911843, 2735529, 6382901, 19148703]

約数ペア:

[(1, 19148703), (3, 6382901), (7, 2735529), (21, 911843), (73, 262311), (219, 87437), (511, 37473), (1533, 12491)]