18994723

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1146

約数の個数: 16

約数和(自身を含む): 21814272

約数和(自身を除く): 2819549

約数列:

[1, 11, 31, 53, 341, 583, 1051, 1643, 11561, 18073, 32581, 55703, 358391, 612733, 1726793, 18994723]

約数ペア:

[(1, 18994723), (11, 1726793), (31, 612733), (53, 358391), (341, 55703), (583, 32581), (1051, 18073), (1643, 11561)]