17939471

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 22353408

約数和(自身を除く): 4413937

約数列:

[1, 11, 17, 23, 43, 97, 187, 253, 391, 473, 731, 989, 1067, 1649, 2231, 4171, 4301, 8041, 10879, 16813, 18139, 24541, 37927, 45881, 70907, 95933, 184943, 417197, 779977, 1055263, 1630861, 17939471]

約数ペア:

[(1, 17939471), (11, 1630861), (17, 1055263), (23, 779977), (43, 417197), (97, 184943), (187, 95933), (253, 70907), (391, 45881), (473, 37927), (731, 24541), (989, 18139), (1067, 16813), (1649, 10879), (2231, 8041), (4171, 4301)]