19802654

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8693}}^1$

素因数の和:8779

約数の個数: 16

約数和(自身を含む): 31924368

約数和(自身を除く): 12121714

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 8693, 17386, 147781, 295562, 582431, 1164862, 9901327, 19802654]

約数ペア:

[(1, 19802654), (2, 9901327), (17, 1164862), (34, 582431), (67, 295562), (134, 147781), (1139, 17386), (2278, 8693)]