19420772

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9769}}^1$

素因数の和:9851

約数の個数: 24

約数和(自身を含む): 39392640

約数和(自身を除く): 19971868

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 9769, 19538, 39076, 68383, 136766, 273532, 693599, 1387198, 2774396, 4855193, 9710386, 19420772]

約数ペア:

[(1, 19420772), (2, 9710386), (4, 4855193), (7, 2774396), (14, 1387198), (28, 693599), (71, 273532), (142, 136766), (284, 68383), (497, 39076), (994, 19538), (1988, 9769)]