19979392

素因数分解:

$2^7\times {\mathrm{156089}}^1$

素因数の和:156103

約数の個数: 16

約数和(自身を含む): 39802950

約数和(自身を除く): 19823558

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 156089, 312178, 624356, 1248712, 2497424, 4994848, 9989696, 19979392]

約数ペア:

[(1, 19979392), (2, 9989696), (4, 4994848), (8, 2497424), (16, 1248712), (32, 624356), (64, 312178), (128, 156089)]