17984965

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3637}}^1$

素因数の和:3708

約数の個数: 16

約数和(自身を含む): 23050368

約数和(自身を除く): 5065403

約数列:

[1, 5, 23, 43, 115, 215, 989, 3637, 4945, 18185, 83651, 156391, 418255, 781955, 3596993, 17984965]

約数ペア:

[(1, 17984965), (5, 3596993), (23, 781955), (43, 418255), (115, 156391), (215, 83651), (989, 18185), (3637, 4945)]