18019928

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{72661}}^1$

素因数の和:72698

約数の個数: 16

約数和(自身を含む): 34877760

約数和(自身を除く): 16857832

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 72661, 145322, 290644, 581288, 2252491, 4504982, 9009964, 18019928]

約数ペア:

[(1, 18019928), (2, 9009964), (4, 4504982), (8, 2252491), (31, 581288), (62, 290644), (124, 145322), (248, 72661)]