17916388

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20641}}^1$

素因数の和:20683

約数の個数: 24

約数和(自身を含む): 36990464

約数和(自身を除く): 19074076

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 20641, 41282, 82564, 144487, 288974, 577948, 639871, 1279742, 2559484, 4479097, 8958194, 17916388]

約数ペア:

[(1, 17916388), (2, 8958194), (4, 4479097), (7, 2559484), (14, 1279742), (28, 639871), (31, 577948), (62, 288974), (124, 144487), (217, 82564), (434, 41282), (868, 20641)]