18643742

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{4243}}^1$

素因数の和:4284

約数の個数: 16

約数和(自身を含む): 30302160

約数和(自身を除く): 11658418

約数列:

[1, 2, 13, 26, 169, 338, 2197, 4243, 4394, 8486, 55159, 110318, 717067, 1434134, 9321871, 18643742]

約数ペア:

[(1, 18643742), (2, 9321871), (13, 1434134), (26, 717067), (169, 110318), (338, 55159), (2197, 8486), (4243, 4394)]