19794501

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 29835000

約数和(自身を除く): 10040499

約数列:

[1, 3, 9, 29, 87, 149, 261, 447, 509, 1341, 1527, 4321, 4581, 12963, 14761, 38889, 44283, 75841, 132849, 227523, 682569, 2199389, 6598167, 19794501]

約数ペア:

[(1, 19794501), (3, 6598167), (9, 2199389), (29, 682569), (87, 227523), (149, 132849), (261, 75841), (447, 44283), (509, 38889), (1341, 14761), (1527, 12963), (4321, 4581)]