39480076

素因数分解:

$2^2\times {\mathrm{509}}^1\times {\mathrm{19391}}^1$

素因数の和:19904

約数の個数: 12

約数和(自身を含む): 69229440

約数和(自身を除く): 29749364

約数列:

[1, 2, 4, 509, 1018, 2036, 19391, 38782, 77564, 9870019, 19740038, 39480076]

約数ペア:

[(1, 39480076), (2, 19740038), (4, 9870019), (509, 77564), (1018, 38782), (2036, 19391)]