18951922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21011}}^1$

素因数の和:21065

約数の個数: 16

約数和(自身を含む): 31770144

約数和(自身を除く): 12818222

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 21011, 42022, 231121, 462242, 861451, 1722902, 9475961, 18951922]

約数ペア:

[(1, 18951922), (2, 9475961), (11, 1722902), (22, 861451), (41, 462242), (82, 231121), (451, 42022), (902, 21011)]