18953793

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1697}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 29402568

約数和(自身を除く): 10448775

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 1697, 3723, 5091, 11169, 15273, 28849, 86547, 123881, 259641, 371643, 1114929, 2105977, 6317931, 18953793]

約数ペア:

[(1, 18953793), (3, 6317931), (9, 2105977), (17, 1114929), (51, 371643), (73, 259641), (153, 123881), (219, 86547), (657, 28849), (1241, 15273), (1697, 11169), (3723, 5091)]