19809062

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3511}}^1$

素因数の和:3564

約数の個数: 32

約数和(自身を含む): 37761024

約数和(自身を除く): 17951962

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3511, 5642, 7022, 24577, 45643, 49154, 91286, 108841, 217682, 319501, 639002, 761887, 1414933, 1523774, 2829866, 9904531, 19809062]

約数ペア:

[(1, 19809062), (2, 9904531), (7, 2829866), (13, 1523774), (14, 1414933), (26, 761887), (31, 639002), (62, 319501), (91, 217682), (182, 108841), (217, 91286), (403, 49154), (434, 45643), (806, 24577), (2821, 7022), (3511, 5642)]