18958693

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 21490560

約数和(自身を除く): 2531867

約数列:

[1, 13, 23, 163, 299, 389, 2119, 3749, 5057, 8947, 48737, 63407, 116311, 824291, 1458361, 18958693]

約数ペア:

[(1, 18958693), (13, 1458361), (23, 824291), (163, 116311), (299, 63407), (389, 48737), (2119, 8947), (3749, 5057)]