19305308

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{39887}}^1$

素因数の和:39913

約数の個数: 18

約数和(自身を含む): 37135728

約数和(自身を除く): 17830420

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 39887, 79774, 159548, 438757, 877514, 1755028, 4826327, 9652654, 19305308]

約数ペア:

[(1, 19305308), (2, 9652654), (4, 4826327), (11, 1755028), (22, 877514), (44, 438757), (121, 159548), (242, 79774), (484, 39887)]