19513142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20627}}^1$

素因数の和:20683

約数の個数: 16

約数和(自身を含む): 32674752

約数和(自身を除く): 13161610

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20627, 41254, 226897, 453794, 886961, 1773922, 9756571, 19513142]

約数ペア:

[(1, 19513142), (2, 9756571), (11, 1773922), (22, 886961), (43, 453794), (86, 226897), (473, 41254), (946, 20627)]