19045117

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 24981696

約数和(自身を除く): 5936579

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 947, 1183, 1547, 2873, 6629, 12311, 16099, 20111, 86177, 112693, 160043, 209287, 1120301, 1465009, 2720731, 19045117]

約数ペア:

[(1, 19045117), (7, 2720731), (13, 1465009), (17, 1120301), (91, 209287), (119, 160043), (169, 112693), (221, 86177), (947, 20111), (1183, 16099), (1547, 12311), (2873, 6629)]