19979968329

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{12542353}}^1$

素因数の和:12542421

約数の個数: 16

約数和(自身を含む): 30101649600

約数和(自身を除く): 10121681271

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 12542353, 37627059, 112881177, 338643531, 739998827, 2219996481, 6659989443, 19979968329]

約数ペア:

[(1, 19979968329), (3, 6659989443), (9, 2219996481), (27, 739998827), (59, 338643531), (177, 112881177), (531, 37627059), (1593, 12542353)]