19381505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27107}}^1$

素因数の和:27136

約数の個数: 16

約数和(自身を含む): 27324864

約数和(自身を除く): 7943359

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27107, 135535, 298177, 352391, 1490885, 1761955, 3876301, 19381505]

約数ペア:

[(1, 19381505), (5, 3876301), (11, 1761955), (13, 1490885), (55, 352391), (65, 298177), (143, 135535), (715, 27107)]