19890357

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5821}}^1$

素因数の和:5908

約数の個数: 16

約数和(自身を含む): 28504512

約数和(自身を除く): 8614155

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 5821, 17463, 98957, 296871, 390007, 1170021, 6630119, 19890357]

約数ペア:

[(1, 19890357), (3, 6630119), (17, 1170021), (51, 390007), (67, 296871), (201, 98957), (1139, 17463), (3417, 5821)]