19799945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{599}}^1\times {\mathrm{601}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 26006400

約数和(自身を除く): 6206455

約数列:

[1, 5, 11, 55, 599, 601, 2995, 3005, 6589, 6611, 32945, 33055, 359999, 1799995, 3959989, 19799945]

約数ペア:

[(1, 19799945), (5, 3959989), (11, 1799995), (55, 359999), (599, 33055), (601, 32945), (2995, 6611), (3005, 6589)]