19397289

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12269}}^1$

素因数の和:12320

約数の個数: 16

約数和(自身を含む): 28270080

約数和(自身を除く): 8872791

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12269, 36807, 208573, 380339, 625719, 1141017, 6465763, 19397289]

約数ペア:

[(1, 19397289), (3, 6465763), (17, 1141017), (31, 625719), (51, 380339), (93, 208573), (527, 36807), (1581, 12269)]