20180859979

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{211657}}^1$

素因数の和:211974

約数の個数: 16

約数和(自身を含む): 23590554048

約数和(自身を除く): 3409694069

約数列:

[1, 7, 53, 257, 371, 1799, 13621, 95347, 211657, 1481599, 11217821, 54395849, 78524747, 380770943, 2882979997, 20180859979]

約数ペア:

[(1, 20180859979), (7, 2882979997), (53, 380770943), (257, 78524747), (371, 54395849), (1799, 11217821), (13621, 1481599), (95347, 211657)]