19930001

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 26141184

約数和(自身を除く): 6211183

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 991, 1183, 1547, 2873, 6937, 12883, 16847, 20111, 90181, 117929, 167479, 219011, 1172353, 1533077, 2847143, 19930001]

約数ペア:

[(1, 19930001), (7, 2847143), (13, 1533077), (17, 1172353), (91, 219011), (119, 167479), (169, 117929), (221, 90181), (991, 20111), (1183, 16847), (1547, 12883), (2873, 6937)]