201819956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{25703}}^1$

素因数の和:25871

約数の個数: 24

約数和(自身を含む): 382886784

約数和(自身を除く): 181066828

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 3926, 7852, 25703, 51406, 102812, 334139, 668278, 1336556, 3881153, 7762306, 15524612, 50454989, 100909978, 201819956]

約数ペア:

[(1, 201819956), (2, 100909978), (4, 50454989), (13, 15524612), (26, 7762306), (52, 3881153), (151, 1336556), (302, 668278), (604, 334139), (1963, 102812), (3926, 51406), (7852, 25703)]