19642615

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{887}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 24380928

約数和(自身を除く): 4738313

約数列:

[1, 5, 43, 103, 215, 515, 887, 4429, 4435, 22145, 38141, 91361, 190705, 456805, 3928523, 19642615]

約数ペア:

[(1, 19642615), (5, 3928523), (43, 456805), (103, 190705), (215, 91361), (515, 38141), (887, 22145), (4429, 4435)]