19654078

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2269}}^1$

素因数の和:2403

約数の個数: 16

約数和(自身を含む): 30399840

約数和(自身を除く): 10745762

約数列:

[1, 2, 61, 71, 122, 142, 2269, 4331, 4538, 8662, 138409, 161099, 276818, 322198, 9827039, 19654078]

約数ペア:

[(1, 19654078), (2, 9827039), (61, 322198), (71, 276818), (122, 161099), (142, 138409), (2269, 8662), (4331, 4538)]