18899181

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9677}}^1$

素因数の和:9721

約数の個数: 24

約数和(自身を含む): 32208384

約数和(自身を除く): 13309203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9677, 29031, 67739, 87093, 203217, 299987, 609651, 899961, 2099909, 2699883, 6299727, 18899181]

約数ペア:

[(1, 18899181), (3, 6299727), (7, 2699883), (9, 2099909), (21, 899961), (31, 609651), (63, 299987), (93, 203217), (217, 87093), (279, 67739), (651, 29031), (1953, 9677)]