18317621

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 18

約数和(自身を含む): 22074390

約数和(自身を除く): 3756769

約数列:

[1, 7, 31, 49, 217, 389, 961, 1519, 2723, 6727, 12059, 19061, 47089, 84413, 373829, 590891, 2616803, 18317621]

約数ペア:

[(1, 18317621), (7, 2616803), (31, 590891), (49, 373829), (217, 84413), (389, 47089), (961, 19061), (1519, 12059), (2723, 6727)]