18980146

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1831}}^1$

素因数の和:1977

約数の個数: 16

約数和(自身を含む): 29282688

約数和(自身を除く): 10302542

約数列:

[1, 2, 71, 73, 142, 146, 1831, 3662, 5183, 10366, 130001, 133663, 260002, 267326, 9490073, 18980146]

約数ペア:

[(1, 18980146), (2, 9490073), (71, 267326), (73, 260002), (142, 133663), (146, 130001), (1831, 10366), (3662, 5183)]