20171888924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2303779}}^1$

素因数の和:2303993

約数の個数: 24

約数和(自身を含む): 38703504000

約数和(自身を除く): 18531615076

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 4378, 8756, 2303779, 4607558, 9215116, 25341569, 50683138, 101366276, 458452021, 916904042, 1833808084, 5042972231, 10085944462, 20171888924]

約数ペア:

[(1, 20171888924), (2, 10085944462), (4, 5042972231), (11, 1833808084), (22, 916904042), (44, 458452021), (199, 101366276), (398, 50683138), (796, 25341569), (2189, 9215116), (4378, 4607558), (8756, 2303779)]