18339945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{577}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 31850112

約数和(自身を除く): 13510167

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 489, 577, 815, 1731, 2119, 2445, 2885, 6357, 7501, 8655, 10595, 22503, 31785, 37505, 94051, 112515, 282153, 470255, 1222663, 1410765, 3667989, 6113315, 18339945]

約数ペア:

[(1, 18339945), (3, 6113315), (5, 3667989), (13, 1410765), (15, 1222663), (39, 470255), (65, 282153), (163, 112515), (195, 94051), (489, 37505), (577, 31785), (815, 22503), (1731, 10595), (2119, 8655), (2445, 7501), (2885, 6357)]