18716337

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 28852200

約数和(自身を除く): 10135863

約数列:

[1, 3, 9, 17, 51, 149, 153, 447, 821, 1341, 2463, 2533, 7389, 7599, 13957, 22797, 41871, 122329, 125613, 366987, 1100961, 2079593, 6238779, 18716337]

約数ペア:

[(1, 18716337), (3, 6238779), (9, 2079593), (17, 1100961), (51, 366987), (149, 125613), (153, 122329), (447, 41871), (821, 22797), (1341, 13957), (2463, 7599), (2533, 7389)]