18543226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41953}}^1$

素因数の和:41985

約数の個数: 16

約数和(自身を含む): 31717224

約数和(自身を除く): 13173998

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 41953, 83906, 545389, 713201, 1090778, 1426402, 9271613, 18543226]

約数ペア:

[(1, 18543226), (2, 9271613), (13, 1426402), (17, 1090778), (26, 713201), (34, 545389), (221, 83906), (442, 41953)]