19796506

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{1321}}^1$

素因数の和:1509

約数の個数: 16

約数和(自身を含む): 30458880

約数和(自身を除く): 10662374

約数列:

[1, 2, 59, 118, 127, 254, 1321, 2642, 7493, 14986, 77939, 155878, 167767, 335534, 9898253, 19796506]

約数ペア:

[(1, 19796506), (2, 9898253), (59, 335534), (118, 167767), (127, 155878), (254, 77939), (1321, 14986), (2642, 7493)]