18572944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89293}}^1$

素因数の和:89314

約数の個数: 20

約数和(自身を含む): 38753596

約数和(自身を除く): 20180652

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89293, 178586, 357172, 714344, 1160809, 1428688, 2321618, 4643236, 9286472, 18572944]

約数ペア:

[(1, 18572944), (2, 9286472), (4, 4643236), (8, 2321618), (13, 1428688), (16, 1160809), (26, 714344), (52, 357172), (104, 178586), (208, 89293)]