19711024

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72467}}^1$

素因数の和:72492

約数の個数: 20

約数和(自身を含む): 40437144

約数和(自身を除く): 20726120

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72467, 144934, 289868, 579736, 1159472, 1231939, 2463878, 4927756, 9855512, 19711024]

約数ペア:

[(1, 19711024), (2, 9855512), (4, 4927756), (8, 2463878), (16, 1231939), (17, 1159472), (34, 579736), (68, 289868), (136, 144934), (272, 72467)]