18564013

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 21321216

約数和(自身を除く): 2757203

約数列:

[1, 13, 23, 47, 299, 611, 1081, 1321, 14053, 17173, 30383, 62087, 394979, 807131, 1428001, 18564013]

約数ペア:

[(1, 18564013), (13, 1428001), (23, 807131), (47, 394979), (299, 62087), (611, 30383), (1081, 17173), (1321, 14053)]