19817264

素因数分解:

$2^4\times {\mathrm{809}}^1\times {\mathrm{1531}}^1$

素因数の和:2348

約数の個数: 20

約数和(自身を含む): 38468520

約数和(自身を除く): 18651256

約数列:

[1, 2, 4, 8, 16, 809, 1531, 1618, 3062, 3236, 6124, 6472, 12248, 12944, 24496, 1238579, 2477158, 4954316, 9908632, 19817264]

約数ペア:

[(1, 19817264), (2, 9908632), (4, 4954316), (8, 2477158), (16, 1238579), (809, 24496), (1531, 12944), (1618, 12248), (3062, 6472), (3236, 6124)]