19894743

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11821}}^1$

素因数の和:11855

約数の個数: 24

約数和(自身を含む): 33196176

約数和(自身を除く): 13301433

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 11821, 35463, 106389, 130031, 200957, 390093, 602871, 1170279, 1808613, 2210527, 6631581, 19894743]

約数ペア:

[(1, 19894743), (3, 6631581), (9, 2210527), (11, 1808613), (17, 1170279), (33, 602871), (51, 390093), (99, 200957), (153, 130031), (187, 106389), (561, 35463), (1683, 11821)]