19054940

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2699}}^1$

素因数の和:3061

約数の個数: 24

約数和(自身を含む): 40143600

約数和(自身を除く): 21088660

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 2699, 3530, 5398, 7060, 10796, 13495, 26990, 53980, 952747, 1905494, 3810988, 4763735, 9527470, 19054940]

約数ペア:

[(1, 19054940), (2, 9527470), (4, 4763735), (5, 3810988), (10, 1905494), (20, 952747), (353, 53980), (706, 26990), (1412, 13495), (1765, 10796), (2699, 7060), (3530, 5398)]