19100455

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 25491312

約数和(自身を除く): 6390857

約数列:

[1, 5, 11, 55, 121, 131, 241, 605, 655, 1205, 1441, 2651, 7205, 13255, 15851, 29161, 31571, 79255, 145805, 157855, 347281, 1736405, 3820091, 19100455]

約数ペア:

[(1, 19100455), (5, 3820091), (11, 1736405), (55, 347281), (121, 157855), (131, 145805), (241, 79255), (605, 31571), (655, 29161), (1205, 15851), (1441, 13255), (2651, 7205)]