19740141

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2029}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 30401280

約数和(自身を除く): 10661139

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 2029, 3243, 6087, 9729, 18261, 46667, 95363, 140001, 286089, 420003, 858267, 2193349, 6580047, 19740141]

約数ペア:

[(1, 19740141), (3, 6580047), (9, 2193349), (23, 858267), (47, 420003), (69, 286089), (141, 140001), (207, 95363), (423, 46667), (1081, 18261), (2029, 9729), (3243, 6087)]