19805929

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3288

約数の個数: 16

約数和(自身を含む): 23817024

約数和(自身を除く): 4011095

約数列:

[1, 11, 13, 43, 143, 473, 559, 3221, 6149, 35431, 41873, 138503, 460603, 1523533, 1800539, 19805929]

約数ペア:

[(1, 19805929), (11, 1800539), (13, 1523533), (43, 460603), (143, 138503), (473, 41873), (559, 35431), (3221, 6149)]