18681520004

素因数分解:

$2^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1540871}}^1$

素因数の和:1541315

約数の個数: 24

約数和(自身を含む): 37449353088

約数和(自身を除く): 18767833084

約数列:

[1, 2, 4, 7, 14, 28, 433, 866, 1732, 3031, 6062, 12124, 1540871, 3081742, 6163484, 10786097, 21572194, 43144388, 667197143, 1334394286, 2668788572, 4670380001, 9340760002, 18681520004]

約数ペア:

[(1, 18681520004), (2, 9340760002), (4, 4670380001), (7, 2668788572), (14, 1334394286), (28, 667197143), (433, 43144388), (866, 21572194), (1732, 10786097), (3031, 6163484), (6062, 3081742), (12124, 1540871)]