18844007

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 24718176

約数和(自身を除く): 5874169

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 937, 1183, 1547, 2873, 6559, 12181, 15929, 20111, 85267, 111503, 158353, 207077, 1108471, 1449539, 2692001, 18844007]

約数ペア:

[(1, 18844007), (7, 2692001), (13, 1449539), (17, 1108471), (91, 207077), (119, 158353), (169, 111503), (221, 85267), (937, 20111), (1183, 15929), (1547, 12181), (2873, 6559)]