18271345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4999}}^1$

素因数の和:5064

約数の個数: 16

約数和(自身を含む): 23760000

約数和(自身を除く): 5488655

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 4999, 24995, 84983, 214957, 424915, 1074785, 3654269, 18271345]

約数ペア:

[(1, 18271345), (5, 3654269), (17, 1074785), (43, 424915), (85, 214957), (215, 84983), (731, 24995), (3655, 4999)]